diff --git a/companion/src/firmwares/opentx/opentxeeprom.h b/companion/src/firmwares/opentx/opentxeeprom.h
index c10baa8e2..8110ff76b 100644
--- a/companion/src/firmwares/opentx/opentxeeprom.h
+++ b/companion/src/firmwares/opentx/opentxeeprom.h
@@ -28,10 +28,10 @@
 
 #define GVARS_VARIANT                  0x0001
 #define FRSKY_VARIANT                  0x0002
-#define POS3_VARIANT                   0x0004
 #define MAVLINK_VARIANT                0x0008
 #define M128_VARIANT                   0x8000
 #define TARANIS_X9E_VARIANT            0x8000
+#define TARANIS_X7_VARIANT             0x4000
 
 #define SIMU_STOCK_VARIANTS            (GVARS_VARIANT|FRSKY_VARIANT)
 #define SIMU_M128_VARIANTS             (M128_VARIANT|SIMU_STOCK_VARIANTS)
diff --git a/companion/src/firmwares/opentx/opentxinterface.cpp b/companion/src/firmwares/opentx/opentxinterface.cpp
index 42c376984..7f150620a 100644
--- a/companion/src/firmwares/opentx/opentxinterface.cpp
+++ b/companion/src/firmwares/opentx/opentxinterface.cpp
@@ -96,9 +96,11 @@ uint32_t OpenTxEepromInterface::getFourCC()
     case BOARD_HORUS:
       return 0x3478746F;
     case BOARD_TARANIS_X7:
+      return 0x3678746F;
+    case BOARD_TARANIS_X9E:
+      return 0x3578746F;
     case BOARD_TARANIS_X9D:
     case BOARD_TARANIS_X9DP:
-    case BOARD_TARANIS_X9E:
       return 0x3378746F;
     case BOARD_SKY9X:
     case BOARD_AR9X:
@@ -339,9 +341,12 @@ int OpenTxEepromInterface::save(uint8_t * eeprom, const RadioData & radioData, u
   if (board == BOARD_M128) {
     variant |= M128_VARIANT;
   }
-  else if (board == BOARD_TARANIS_X9E) {
+  else if (IS_TARANIS_X9E(board)) {
     variant |= TARANIS_X9E_VARIANT;
   }
+  else if (IS_TARANIS_X7(board)) {
+    variant |= TARANIS_X7_VARIANT;
+  }
 
   int result = saveRadioSettings<OpenTxGeneralData>((GeneralSettings &)radioData.generalSettings, board, version, variant);
   if (!result) {
@@ -737,8 +742,10 @@ int OpenTxFirmware::getCapability(Capability capability)
         return SIMU_STOCK_VARIANTS;
       else if (board == BOARD_M128)
         return SIMU_M128_VARIANTS;
-      else if (board == BOARD_TARANIS_X9E)
+      else if (IS_TARANIS_X9E(board))
         return TARANIS_X9E_VARIANT;
+      else if (IS_TARANIS_X7(board))
+        return TARANIS_X7_VARIANT;
       else
         return 0;
     case MavlinkTelemetry:
@@ -1054,6 +1061,12 @@ bool OpenTxEepromInterface::checkVariant(unsigned int version, unsigned int vari
       return false;
     }
   }
+  else if (IS_TARANIS_X7(board)) {
+    if (variant != TARANIS_X7_VARIANT) {
+      std::cout << " wrong variant (" << variant << ")";
+      return false;
+    }
+  }
   else if (IS_TARANIS(board)) {
     if (variant != 0) {
       std::cout << " wrong variant (" << variant << ")";
diff --git a/radio/src/sdcard.h b/radio/src/sdcard.h
index 39fd795fa..d2998e390 100644
--- a/radio/src/sdcard.h
+++ b/radio/src/sdcard.h
@@ -117,9 +117,15 @@ const char * getFileExtension(const char * filename, uint8_t size=0, uint8_t ext
 #if defined(PCBHORUS)
   #define OTX_FOURCC 0x3478746F // otx for Horus
   #define O9X_FOURCC 0x3178396F // we forgot it in 2.2 RC ..
+#elif defined(PCBX9E)
+  #define OTX_FOURCC 0x3578746F // otx for Taranis X9E
+  #define O9X_FOURCC 0x3378396F // o9x for Taranis X9E
+#elif defined(PCBX7)
+  #define OTX_FOURCC 0x3678746F // otx for Taranis X7
+  #define O9X_FOURCC 0x3378396F // o9x for Taranis X7
 #elif defined(PCBTARANIS)
-  #define OTX_FOURCC 0x3378746F // otx for Taranis
-  #define O9X_FOURCC 0x3378396F // o9x for Taranis
+  #define OTX_FOURCC 0x3378746F // otx for Taranis X9D
+  #define O9X_FOURCC 0x3378396F // o9x for Taranis X9D
 #elif defined(PCBSKY9X)
   #define OTX_FOURCC 0x3278746F // otx for sky9x
   #define O9X_FOURCC 0x3278396F // o9x for sky9x
diff --git a/radio/src/storage/eeprom_rlc.cpp b/radio/src/storage/eeprom_rlc.cpp
index d1840bdc5..54fe5f8d9 100644
--- a/radio/src/storage/eeprom_rlc.cpp
+++ b/radio/src/storage/eeprom_rlc.cpp
@@ -826,6 +826,15 @@ bool eeLoadGeneral()
     }
   }
 
+#if defined(PCBX7)
+  if (g_eeGeneral.variant == 0) {
+    TRACE("Pre release EEPROM detected, variant %d instead of %d for X7 radio. Loading anyway", g_eeGeneral.variant, EEPROM_VARIANT);
+    g_eeGeneral.variant = EEPROM_VARIANT;
+    storageDirty(EE_GENERAL);
+    return true;
+  }
+#endif
+
 #if defined(PCBTARANIS)
   if (g_eeGeneral.variant != EEPROM_VARIANT) {
     TRACE("EEPROM variant %d instead of %d", g_eeGeneral.variant, EEPROM_VARIANT);
@@ -922,32 +931,32 @@ void eepromBackup()
   char filename[60];
   uint8_t buffer[1024];
   FIL file;
-  
+
   lcdClear();
   drawProgressBar(STR_WRITING);
-  
+
   // reset unexpectedShutdown to prevent warning when user restores EEPROM backup
   g_eeGeneral.unexpectedShutdown = 0;
   storageDirty(EE_GENERAL);
   storageCheck(true);
-  
+
   // create the directory if needed...
   const char * error = sdCheckAndCreateDirectory(EEPROMS_PATH);
   if (error) {
     POPUP_WARNING(error);
     return;
   }
-  
+
   // prepare the filename...
   char * tmp = strAppend(filename, EEPROMS_PATH "/eeprom");
 #if defined(RTCLOCK)
   tmp = strAppendDate(tmp, true);
 #endif
   strAppend(tmp, EEPROM_EXT);
-  
+
   // open the file for writing...
   f_open(&file, filename, FA_WRITE | FA_CREATE_ALWAYS);
-  
+
   for (int i=0; i<EEPROM_SIZE; i+=1024) {
     UINT count;
     eepromReadBlock(buffer, i, 1024);
@@ -955,9 +964,9 @@ void eepromBackup()
     updateProgressBar(i, EEPROM_SIZE);
     SIMU_SLEEP(100/*ms*/);
   }
-  
+
   f_close(&file);
-  
+
   //set back unexpectedShutdown
   g_eeGeneral.unexpectedShutdown = 1;
   storageDirty(EE_GENERAL);
diff --git a/radio/src/targets/taranis/CMakeLists.txt b/radio/src/targets/taranis/CMakeLists.txt
index fa3e1a908..2a24775e2 100644
--- a/radio/src/targets/taranis/CMakeLists.txt
+++ b/radio/src/targets/taranis/CMakeLists.txt
@@ -11,7 +11,7 @@ if(PCB STREQUAL X9E)
   set(LUA_EXPORT lua_export_x9e)
   set(FLAVOUR x9e)
   add_definitions(-DSTM32F40_41xxx -DPCBX9E)
-  add_definitions(-DEEPROM_VARIANT=32768)
+  add_definitions(-DEEPROM_VARIANT=0x8000)
   set(FIRMWARE_TARGET_SRC
     ${FIRMWARE_TARGET_SRC}
     top_lcd_driver.cpp
@@ -65,7 +65,7 @@ elseif(PCB STREQUAL X7)
   set(LUA_EXPORT lua_export_x7)
   set(FLAVOUR x7)
   add_definitions(-DPCBX7 -DSOFTWARE_VOLUME)
-  add_definitions(-DEEPROM_VARIANT=0)
+  add_definitions(-DEEPROM_VARIANT=0x4000)
   set(FIRMWARE_TARGET_SRC
     ${FIRMWARE_TARGET_SRC}
     bluetooth_driver.cpp