diff --git a/radio/src/sdcard.cpp b/radio/src/sdcard.cpp
index baf9af304..28abefa30 100644
--- a/radio/src/sdcard.cpp
+++ b/radio/src/sdcard.cpp
@@ -39,7 +39,11 @@
 
 #define BLOCK_SIZE FF_MAX_SS
 
+#if defined(SPI_FLASH)
+#define SDCARD_MIN_FREE_SPACE_MB 2 // Maintain 2MB free space buffer to prevent crashes
+#else
 #define SDCARD_MIN_FREE_SPACE_MB 50 // Maintain a 50MB free space buffer to prevent crashes
+#endif
 
 const char * sdCheckAndCreateDirectory(const char * path)
 {
diff --git a/radio/src/targets/common/arm/stm32/bootloader/boot.cpp b/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
index c673818ae..3cbd43124 100644
--- a/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
+++ b/radio/src/targets/common/arm/stm32/bootloader/boot.cpp
@@ -511,11 +511,11 @@ int  bootloaderMain()
 #if defined(SPI_FLASH)
       } else if (state == ST_CLEAR_FLASH_CHECK) {
         bootloaderDrawScreen(state, vpos);
-        if (event == EVT_KEY_REPT(KEY_DOWN) || event == EVT_KEY_FIRST(KEY_DOWN)) {
+        if (IS_NEXT_EVENT(event)) {
           if (vpos < SEL_CLEAR_FLASH_STORAGE_MENU_LEN - 1) { vpos++; }
           continue;
         }
-        if (event == EVT_KEY_REPT(KEY_UP) || event == EVT_KEY_FIRST(KEY_UP)) {
+        if (IS_PREVIOUS_EVENT(event)) {
           if (vpos > 0) { vpos--; }
           continue;
         }
@@ -531,8 +531,6 @@ int  bootloaderMain()
       } else if (state == ST_CLEAR_FLASH) {
         bootloaderDrawScreen(state, 0);
         lcdRefresh();
-        if(event != EVT_KEY_BREAK(KEY_ENTER))
-          continue;
         sdDone();
         spiFlashDiskEraseAll();
         sdInit();
diff --git a/radio/src/targets/horus/CMakeLists.txt b/radio/src/targets/horus/CMakeLists.txt
index 8bac1e9af..00bd02d46 100644
--- a/radio/src/targets/horus/CMakeLists.txt
+++ b/radio/src/targets/horus/CMakeLists.txt
@@ -100,6 +100,10 @@ if (PCB STREQUAL X10)
     set(FLAVOUR tx16s)
     add_definitions(-DRADIO_TX16S)
     add_definitions(-DRADIO_FAMILY_T16)
+
+#   Uncomment the line below to enable bootloader support for SPI flash
+#    add_definitions(-DSPI_FLASH)
+
     set(DEFAULT_INTERNAL_MODULE MULTIMODULE CACHE STRING "Default internal module")
     option(BLUETOOTH "Support for bluetooth module" OFF)
     option(INTERNAL_GPS "Support for internal GPS" ON)
diff --git a/radio/src/targets/horus/bootloader/boot_menu.cpp b/radio/src/targets/horus/bootloader/boot_menu.cpp
index 32530d65c..36bdd618e 100644
--- a/radio/src/targets/horus/bootloader/boot_menu.cpp
+++ b/radio/src/targets/horus/bootloader/boot_menu.cpp
@@ -88,11 +88,20 @@ void bootloaderDrawScreen(BootloaderState st, int opt, const char* str)
       coord_t pos = lcd->drawText(124, 75, TR_BL_WRITE_FW, BL_FOREGROUND);
       pos += 8;
 
+#if defined(SPI_FLASH)
+      lcd->drawText(102, 110, LV_SYMBOL_SD_CARD, BL_FOREGROUND);
+      pos = lcd->drawText(124, 110, TR_BL_ERASE_FLASH, BL_FOREGROUND);
+      pos += 8;
+
+      lcd->drawText(100, 145, LV_SYMBOL_NEW_LINE, BL_FOREGROUND);
+      lcd->drawText(124, 145, TR_BL_EXIT, BL_FOREGROUND);
+#else
       lcd->drawText(100, 110, LV_SYMBOL_NEW_LINE, BL_FOREGROUND);
       lcd->drawText(124, 110, TR_BL_EXIT, BL_FOREGROUND);
+#endif
 
       pos -= 92;
-      lcd->drawSolidRect(92, (opt == 0) ? 72 : 107, pos, 26, 2, BL_SELECTED);
+      lcd->drawSolidRect(92, 72 + (opt * 35), pos, 26, 2, BL_SELECTED);
 
       lcd->drawBitmap(60, LCD_H - 106, (const BitmapBuffer*)&BMP_PLUG_USB);
       lcd->drawText(195, LCD_H - 97, TR_BL_USB_PLUGIN, BL_FOREGROUND);
@@ -101,6 +110,34 @@ void bootloaderDrawScreen(BootloaderState st, int opt, const char* str)
       bootloaderDrawFooter();
       lcd->drawText(LCD_W / 2, LCD_H - 30, getFirmwareVersion(), CENTERED | BL_FOREGROUND);
     }
+#if defined(SPI_FLASH)
+    else if (st == ST_CLEAR_FLASH_CHECK) {
+
+        bootloaderDrawTitle(88, TR_BL_ERASE_INT_FLASH);
+
+        lcd->drawText(102, 75, LV_SYMBOL_SD_CARD, BL_FOREGROUND);
+        coord_t pos = lcd->drawText(124, 75, TR_BL_ERASE_FLASH, BL_FOREGROUND);
+        pos += 8;
+
+        lcd->drawText(100, 110, LV_SYMBOL_NEW_LINE, BL_FOREGROUND);
+        lcd->drawText(124, 110, TR_BL_EXIT, BL_FOREGROUND);
+
+        pos -= 92;
+        lcd->drawSolidRect(92, 72 + (opt * 35), pos, 26, 2, BL_SELECTED);
+
+        bootloaderDrawFooter();
+        lcd->drawText(56, 244,
+                      LV_SYMBOL_SD_CARD TR_BL_ERASE_KEY, BL_FOREGROUND);
+        lcd->drawText(305, 244,
+                      LV_SYMBOL_NEW_LINE TR_BL_EXIT_KEY, BL_FOREGROUND);
+    }
+    else if (st == ST_CLEAR_FLASH) {
+        bootloaderDrawTitle(88, TR_BL_ERASE_INT_FLASH);
+
+        lcd->drawText(LCD_W / 2, 75, TR_BL_ERASE_FLASH_MSG, CENTERED | BL_FOREGROUND);
+        bootloaderDrawFooter();
+    }
+#endif
     else if (st == ST_USB) {
         coord_t y = (LCD_H - BMP_USB_PLUGGED.height()) / 2;
         lcd->drawBitmap(136, y, (const BitmapBuffer*)&BMP_USB_PLUGGED);
diff --git a/radio/src/targets/horus/hal.h b/radio/src/targets/horus/hal.h
index c05836fa3..94016249f 100644
--- a/radio/src/targets/horus/hal.h
+++ b/radio/src/targets/horus/hal.h
@@ -726,7 +726,10 @@
 #define SD_SDIO_CLK_DIV(fq)               ((48000000 / (fq)) - 2)
 #define SD_SDIO_INIT_CLK_DIV              SD_SDIO_CLK_DIV(400000)
 #define SD_SDIO_TRANSFER_CLK_DIV          SD_SDIO_CLK_DIV(24000000)
-#define STORAGE_USE_SDIO
+
+// Uncomment only one line below to select which storage to use
+#define STORAGE_USE_SDIO      // Use SD card for storage with SDIO driver
+//#define STORAGE_USE_SPI_FLASH // Use SPI flash for storage instead of SD card
 
 // SPI NOR Flash 
 #if defined(PCBX12S) && PCBREV >= 13
diff --git a/radio/src/translations/cn.h b/radio/src/translations/cn.h
index 71fa3b97d..54ce0e9ce 100644
--- a/radio/src/translations/cn.h
+++ b/radio/src/translations/cn.h
@@ -1019,7 +1019,7 @@
   #define TR_WIDGET_VALUE              "数值"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1051,26 +1051,30 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
   #define TR_BL_FLASH_KEY             "Hold [R TRIM] long to flash"
   #define TR_BL_EXIT_KEY              " [L TRIM] to exit"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/cz.h b/radio/src/translations/cz.h
index 053c4a51f..b7213a058 100644
--- a/radio/src/translations/cz.h
+++ b/radio/src/translations/cz.h
@@ -1065,19 +1065,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Obnovit EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Stisknete tlacitko napajeni."
     #define TR_BL_FLASH_EXIT          "Ukoncit rezim nahravani."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] pro vybrani souboru"
   #define TR_BL_FLASH_KEY             "Drzet dlouze [ENT] pro nahrani"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] pro ukonceni"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB pristup"
   #define TR_BL_CURRENT_FW            "Aktualni firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] pro vybrani souboru"
@@ -1086,7 +1090,7 @@
   #define TR_BL_ENABLE                "Povoleno"
   #define TR_BL_DISABLE               "Zakazano"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/da.h b/radio/src/translations/da.h
index 5856aa315..4f01b9783 100644
--- a/radio/src/translations/da.h
+++ b/radio/src/translations/da.h
@@ -1023,7 +1023,7 @@
   #define TR_WIDGET_VALUE              "Værdi"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB forbundet"
 #define TR_BL_USB_PLUGIN              "eller brug USB kabel"
 #define TR_BL_USB_MASS_STORE          "for USB disk"
@@ -1053,19 +1053,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Genskab EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Tryk power knap."
     #define TR_BL_FLASH_EXIT          "Forlad installation tilstand."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] for at bruge fil"
   #define TR_BL_FLASH_KEY             "[ENT] længe, for at starte"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] for at forlade"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB adgang"
   #define TR_BL_CURRENT_FW            "Firmware version:"
   #define TR_BL_SELECT_KEY            "[R TRIM] for at bruge fil"
@@ -1074,7 +1078,7 @@
   #define TR_BL_ENABLE                "Aktiver"
   #define TR_BL_DISABLE               "Deaktiver"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB adgang"
   #define TR_BL_ERASE_INT_FLASH       "Slet intern flash lager"
   #define TR_BL_ERASE_FLASH           "Slet flash lager"
diff --git a/radio/src/translations/de.h b/radio/src/translations/de.h
index 87e77fc13..2ed11658b 100644
--- a/radio/src/translations/de.h
+++ b/radio/src/translations/de.h
@@ -1011,7 +1011,7 @@
   #define TR_WIDGET_VALUE              "Wert"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB verbunden"
 #define TR_BL_USB_PLUGIN              "oder USB-Kabel anschl."
 #define TR_BL_USB_MASS_STORE          "für den SD-Speicher an"
@@ -1041,19 +1041,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "EEPROM wiederherstellen"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Drücke den Power Knopf."
     #define TR_BL_FLASH_EXIT          "Verlasse den Flashmodus."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] um Datei auszuwählen"
   #define TR_BL_FLASH_KEY             "Halte [ENT] gedrückt, zum schreiben"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] zum beenden"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB Zugriff"
   #define TR_BL_CURRENT_FW            "Aktuelle Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] um Datei auszuwählen"
@@ -1062,7 +1066,7 @@
   #define TR_BL_ENABLE                "Aktivieren"
   #define TR_BL_DISABLE               "Deaktivieren"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/en.h b/radio/src/translations/en.h
index f2e60b336..7f4740749 100644
--- a/radio/src/translations/en.h
+++ b/radio/src/translations/en.h
@@ -1022,7 +1022,7 @@
   #define TR_WIDGET_VALUE              "Value"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1052,19 +1052,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1073,7 +1077,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/es.h b/radio/src/translations/es.h
index 9445ee79c..c1ee60eac 100644
--- a/radio/src/translations/es.h
+++ b/radio/src/translations/es.h
@@ -1021,7 +1021,7 @@
   #define TR_WIDGET_VALUE              "Value"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1051,19 +1051,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1072,7 +1076,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/fi.h b/radio/src/translations/fi.h
index baf02669a..db570ab5e 100644
--- a/radio/src/translations/fi.h
+++ b/radio/src/translations/fi.h
@@ -1034,7 +1034,7 @@
   #define TR_WIDGET_VALUE              "Value"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1064,19 +1064,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1085,7 +1089,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/fr.h b/radio/src/translations/fr.h
index adeb2aa82..52c4ebb11 100644
--- a/radio/src/translations/fr.h
+++ b/radio/src/translations/fr.h
@@ -1033,7 +1033,7 @@
   #define TR_WIDGET_VALUE              "Valeur"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connecte"
 #define TR_BL_USB_PLUGIN              "ou branchez cable USB"
 #define TR_BL_USB_MASS_STORE          "pour stockage de masse"
@@ -1063,19 +1063,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restaurer EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Appuyez sur le bouton power."
     #define TR_BL_FLASH_EXIT          "Quitter mode flashage."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] pour select. fichier"
   #define TR_BL_FLASH_KEY             "Appui long [ENT] pour flasher"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] pour quitter"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Firmware actuel:"
   #define TR_BL_SELECT_KEY            "[R TRIM] pour sélect. fichier"
@@ -1084,7 +1088,7 @@
   #define TR_BL_ENABLE                "Activer"
   #define TR_BL_DISABLE               "Désactiver"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/he.h b/radio/src/translations/he.h
index 67a87c9b5..a9678a14f 100644
--- a/radio/src/translations/he.h
+++ b/radio/src/translations/he.h
@@ -1023,7 +1023,7 @@
   #define TR_WIDGET_VALUE              "ערך"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1053,19 +1053,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1074,7 +1078,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/it.h b/radio/src/translations/it.h
index dfab54039..409b75b49 100644
--- a/radio/src/translations/it.h
+++ b/radio/src/translations/it.h
@@ -1048,19 +1048,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Ripristino EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Premi il bottone d'accensione"
     #define TR_BL_FLASH_EXIT          "Esci dal modo scrittura."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] per scegliere il file"
   #define TR_BL_FLASH_KEY             "Tenere premuto [ENT] per scrivere"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] per uscire"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF Accesso USB"
   #define TR_BL_CURRENT_FW            "Firmware corrente:"
   #define TR_BL_SELECT_KEY            "[R TRIM] per scegliere il file"
@@ -1069,7 +1073,7 @@
   #define TR_BL_ENABLE                "Abilita"
   #define TR_BL_DISABLE               "Disabilita"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/jp.h b/radio/src/translations/jp.h
index 3680ebacd..61af4f073 100644
--- a/radio/src/translations/jp.h
+++ b/radio/src/translations/jp.h
@@ -1023,7 +1023,7 @@
   #define TR_WIDGET_VALUE              "値"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1053,19 +1053,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1074,7 +1078,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/nl.h b/radio/src/translations/nl.h
index 839787b06..3578fe992 100644
--- a/radio/src/translations/nl.h
+++ b/radio/src/translations/nl.h
@@ -1026,7 +1026,7 @@
   #define TR_WIDGET_VALUE              "Value"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1056,19 +1056,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1077,7 +1081,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/pl.h b/radio/src/translations/pl.h
index dc46d545a..4b198f4dc 100644
--- a/radio/src/translations/pl.h
+++ b/radio/src/translations/pl.h
@@ -1021,7 +1021,7 @@
   #define TR_WIDGET_VALUE              "Wartość"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB polaczone"
 #define TR_BL_USB_PLUGIN              "lub podlacz kabel USB"
 #define TR_BL_USB_MASS_STORE          "dla trybu danych"
@@ -1051,19 +1051,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Przywroc EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Nacisnij przycisk Power"
     #define TR_BL_FLASH_EXIT          "Wyjdz z trybu flashowania"
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] aby wybrac plik"
   #define TR_BL_FLASH_KEY             "Przytrzymaj [ENT] aby flashowac"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] aby wyjsc"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "Dostep RF USB"
   #define TR_BL_CURRENT_FW            "Obecny firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] aby wybrac plik"
@@ -1072,7 +1076,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/pt.h b/radio/src/translations/pt.h
index 4c10c697f..53afaaffa 100644
--- a/radio/src/translations/pt.h
+++ b/radio/src/translations/pt.h
@@ -1027,7 +1027,7 @@
   #define TR_WIDGET_VALUE              "Value"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1057,19 +1057,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1078,7 +1082,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Desativar"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/ru.h b/radio/src/translations/ru.h
index f256b9600..124e42ca7 100644
--- a/radio/src/translations/ru.h
+++ b/radio/src/translations/ru.h
@@ -1026,7 +1026,7 @@
   #define TR_WIDGET_VALUE              "Значение"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1056,19 +1056,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1077,7 +1081,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/se.h b/radio/src/translations/se.h
index 42a008bb2..cfb155347 100644
--- a/radio/src/translations/se.h
+++ b/radio/src/translations/se.h
@@ -1078,19 +1078,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM          "Aaterställ EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY             "Tryck paa startknappen."
     #define TR_BL_FLASH_EXIT            "Avsluta flashningsläget."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH         "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH             "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG         "This may take up to 200s"
   #define TR_BL_SELECT_KEY              "[ENT] för att vaelja fil"
   #define TR_BL_FLASH_KEY               "Tryck [ENT] foer att flasha"
+  #define TR_BL_ERASE_KEY               "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY                "[RTN] foer att avbryta"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS           "RF USB access"
   #define TR_BL_CURRENT_FW              "Nuvarande firmware:"
   #define TR_BL_SELECT_KEY              "[R TRIM] foer att vaelja fil"
@@ -1099,7 +1103,7 @@
   #define TR_BL_ENABLE                  "Aktivera"
   #define TR_BL_DISABLE                 "Inaktivera"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Radera interna flashminnet"
   #define TR_BL_ERASE_FLASH           "Radera flashminnet"
diff --git a/radio/src/translations/tw.h b/radio/src/translations/tw.h
index 4b00dd5c5..671132e34 100644
--- a/radio/src/translations/tw.h
+++ b/radio/src/translations/tw.h
@@ -1024,7 +1024,7 @@
   #define TR_WIDGET_VALUE              "數值"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1054,19 +1054,23 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
+  #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
+  #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
+  #define TR_BL_ERASE_FLASH_MSG       "This may take up to 200s"
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
+  #define TR_BL_ERASE_KEY             "Hold [ENT] long to erase"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1075,7 +1079,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"
diff --git a/radio/src/translations/ua.h b/radio/src/translations/ua.h
index f3ad6a3b0..3d09a0982 100644
--- a/radio/src/translations/ua.h
+++ b/radio/src/translations/ua.h
@@ -1026,7 +1026,7 @@
   #define TR_WIDGET_VALUE              "Значення"
 #endif
 
-// Bootloader common - Ascii only
+// Bootloader common - ASCII characters only
 #define TR_BL_USB_CONNECTED           "USB Connected"
 #define TR_BL_USB_PLUGIN              "Or plug in a USB cable"
 #define TR_BL_USB_MASS_STORE          "for mass storage"
@@ -1056,19 +1056,19 @@
 #endif
 
 #if defined(PCBTARANIS)
-   // Bootloader Taranis specific - Ascii only
+   // Bootloader Taranis specific - ASCII characters only
   #define TR_BL_RESTORE_EEPROM        "Restore EEPROM"
   #if defined(RADIO_COMMANDO8)
     #define TR_BL_POWER_KEY           "Press the power button."
     #define TR_BL_FLASH_EXIT          "Exit the flashing mode."
   #endif
 #elif defined(PCBHORUS)
-   // Bootloader Horus specific - Ascii only
+   // Bootloader Horus specific - ASCII characters only
   #define TR_BL_SELECT_KEY            "[ENT] to select file"
   #define TR_BL_FLASH_KEY             "Hold [ENT] long to flash"
   #define TR_BL_EXIT_KEY              "[RTN] to exit"
 #elif defined(PCBNV14)
-   // Bootloader NV14 specific - Ascii only
+   // Bootloader NV14 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_CURRENT_FW            "Current Firmware:"
   #define TR_BL_SELECT_KEY            "[R TRIM] to select file"
@@ -1077,7 +1077,7 @@
   #define TR_BL_ENABLE                "Enable"
   #define TR_BL_DISABLE               "Disable"
 #elif defined(PCBPL18)
-   // Bootloader PL18 specific - Ascii only
+   // Bootloader PL18 specific - ASCII characters only
   #define TR_BL_RF_USB_ACCESS         "RF USB access"
   #define TR_BL_ERASE_INT_FLASH       "Erase Internal Flash Storage"
   #define TR_BL_ERASE_FLASH           "Erase Flash Storage"