diff --git a/radio/sdcard/horus/opentx.sdcard.version b/radio/sdcard/horus/opentx.sdcard.version
new file mode 100755
index 000000000..e2446f1b2
--- /dev/null
+++ b/radio/sdcard/horus/opentx.sdcard.version
@@ -0,0 +1 @@
+2.2V0001
diff --git a/radio/sdcard/taranis/opentx.sdcard.version b/radio/sdcard/taranis/opentx.sdcard.version
new file mode 100755
index 000000000..e2446f1b2
--- /dev/null
+++ b/radio/sdcard/taranis/opentx.sdcard.version
@@ -0,0 +1 @@
+2.2V0001
diff --git a/radio/src/dataconstants.h b/radio/src/dataconstants.h
index c9c0c9ade..d9578b58d 100644
--- a/radio/src/dataconstants.h
+++ b/radio/src/dataconstants.h
@@ -127,6 +127,9 @@
 #define NUM_CYC                        3
 #define NUM_CAL_PPM                    4
 
+#if defined(SDCARD)
+#define REQUIRED_SDCARD_VERSION       "2.2V0001"
+#endif
 enum CurveType {
   CURVE_TYPE_STANDARD,
   CURVE_TYPE_CUSTOM,
diff --git a/radio/src/opentx.cpp b/radio/src/opentx.cpp
index 45e01a0c0..c03446618 100644
--- a/radio/src/opentx.cpp
+++ b/radio/src/opentx.cpp
@@ -1084,6 +1084,27 @@ void doSplash()
 #define doSplash()
 #endif
 
+#if defined(SDCARD)
+void checkSDVersion()
+{
+  if (sdMounted()) {
+    FIL versionFile = {0};
+    UINT read = 0;
+    char version[sizeof(REQUIRED_SDCARD_VERSION)];
+
+    FRESULT result = f_open(&versionFile, "/opentx.sdcard.version", FA_OPEN_EXISTING | FA_READ);
+    if ((result == FR_OK) && (f_size(&versionFile) == sizeof(REQUIRED_SDCARD_VERSION))) {
+      f_read(&versionFile, &version, sizeof(REQUIRED_SDCARD_VERSION), &read);
+    }
+    f_close(&versionFile);
+    if (strncmp(version, REQUIRED_SDCARD_VERSION, sizeof(REQUIRED_SDCARD_VERSION)-1) != 0) {
+      TRACE("sdCheckVersion FAILED");
+      ALERT(STR_SDCARDVERSIONWARN, STR_WRONG_SDCARDVERSION, AU_ERROR);
+    }
+  }  
+}
+#endif
+
 #if defined(PCBTARANIS)
 void checkFailsafe()
 {
@@ -1118,6 +1139,10 @@ void checkAll()
   checkFailsafe();
 #endif
 
+#if defined(SDCARD)
+  checkSDVersion();
+#endif
+
 #if defined(CPUARM)
   if (g_model.displayChecklist && modelHasNotes()) {
     pushModelNotes();
diff --git a/radio/src/translations.cpp b/radio/src/translations.cpp
index d6e91737f..ff882b39f 100644
--- a/radio/src/translations.cpp
+++ b/radio/src/translations.cpp
@@ -491,6 +491,8 @@ const pm_char STR_THROTTLEWARN[] PROGMEM = TR_THROTTLEWARN;
 const pm_char STR_ALARMSWARN[] PROGMEM = TR_ALARMSWARN;
 const pm_char STR_SWITCHWARN[] PROGMEM = TR_SWITCHWARN;
 const pm_char STR_FAILSAFEWARN[] PROGMEM = TR_FAILSAFEWARN;
+const pm_char STR_SDCARDVERSIONWARN[] PROGMEM = TR_SDCARDVERSIONWARN;
+const pm_char STR_WRONG_SDCARDVERSION[] PROGMEM = TR_WRONG_SDCARDVERSION;
 const pm_char STR_NO_FAILSAFE[] PROGMEM = TR_NO_FAILSAFE;
 const pm_char STR_KEYSTUCK[] PROGMEM = TR_KEYSTUCK;
 
diff --git a/radio/src/translations.h b/radio/src/translations.h
index 086327e51..d008b279b 100644
--- a/radio/src/translations.h
+++ b/radio/src/translations.h
@@ -706,6 +706,8 @@ extern const pm_char STR_THROTTLEWARN[];
 extern const pm_char STR_ALARMSWARN[];
 extern const pm_char STR_SWITCHWARN[];
 extern const pm_char STR_FAILSAFEWARN[];
+extern const pm_char STR_SDCARDVERSIONWARN[];
+extern const pm_char STR_WRONG_SDCARDVERSION[];
 extern const pm_char STR_NO_FAILSAFE[];
 extern const pm_char STR_KEYSTUCK[];
 
diff --git a/radio/src/translations/cz.h.txt b/radio/src/translations/cz.h.txt
index 02cd9f8c8..db677b22f 100644
--- a/radio/src/translations/cz.h.txt
+++ b/radio/src/translations/cz.h.txt
@@ -851,9 +851,9 @@
 #define TR_MENUTEMPLATES       "ŠABLONY"
 #define TR_MENUSTAT            "STATISTIKA"
 #define TR_MENUDEBUG           "DIAG"
+#define TR_MONITOR_SWITCHES    "LOGICAL SWITCHES MONITOR"
 #define TR_MONITOR_CHANNELS1   "CHANNELS MONITOR 1/8"
 #define TR_MONITOR_CHANNELS2   "CHANNELS MONITOR 9/16"
-#define TR_MONITOR_SWITCHES    "LOGICAL SWITCHES MONITOR"
 #define TR_MONITOR_CHANNELS3   "CHANNELS MONITOR 17/24"
 #define TR_MONITOR_CHANNELS4   "CHANNELS MONITOR 25/32"
 #define TR_MONITOR_OUTPUT_DESC "Outputs"
@@ -910,6 +910,8 @@
 #define TR_ALARMSWARN          "ALARMU"
 #define TR_SWITCHWARN          "POZICE"
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe není nastaveno"
 #define TR_KEYSTUCK            "Zaseklá klávesa"
 #define TR_INVERT_THR          "Invertovat plyn?"
diff --git a/radio/src/translations/de.h.txt b/radio/src/translations/de.h.txt
index 7a88eed15..2f074108b 100644
--- a/radio/src/translations/de.h.txt
+++ b/radio/src/translations/de.h.txt
@@ -111,7 +111,7 @@
 #define TR_DSM_PROTOCOLS       "LP45""DSM2""DSMX"  //LP45 =Low Power 4 und 5 Kanal
 
 #define LEN_MULTI_PROTOCOLS    "\006"
-#define TR_MULTI_PROTOCOLS     "FlySky""Hubsan""FrSky\0""Hisky\0""V2x2\0 ""DSM2\0 ""Devo\0 ""YD717\0""KN\0   ""SymaX\0""SLT\0  ""CX10\0 ""CG023\0""Bayang""ESky\0 ""MT99XX""MJXQ\0 ""Shenqi""FY326\0""SFHSS\0""J6 PRO""FQ777\0""Custom"
+#define TR_MULTI_PROTOCOLS     "FlySky""Hubsan""FrSky\0""Hisky\0""V2x2\0 ""DSM2\0 ""Devo\0 ""YD717\0""KN\0   ""SymaX\0""SLT\0  ""CX10\0 ""CG023\0""Bayang""ESky\0 ""MT99XX""MJXQ\0 ""Shenqi""FY326\0""SFHSS\0""J6 PRO""FQ777\0""Custom"
 
 #define LEN_SUBTYPE_FLYSKY     "\004"
 #define TR_SUBTYPE_FLYSKY      "Std\0""V9x9""V6x6""V912"
@@ -140,7 +140,7 @@
 #define TR_SUBTYPE_KN          "WLtoys""FeiLun"
 
 #define LEN_SUBTYPE_MT99       "\004"
-#define TR_SUBTYPE_MT99        "MT99""H7\0 ""YZ\0 ""LS\0 "
+#define TR_SUBTYPE_MT99        "MT99""H7\0 ""YZ\0 ""LS\0 "
 
 #define LEN_SUBTYPE_MJXQ       "\005"
 #define TR_SUBTYPE_MJXQ        "WLH08""X600\0""X800\0""H26D"
@@ -929,6 +929,8 @@
 #define TR_ALARMSWARN          "ALARM"
 #define TR_SWITCHWARN          "SCHALTER"
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         TR("Failsafe not set", "Failsafe nicht programmiert")
 #define TR_KEYSTUCK            "Taste klemmt"  //Key stuck=Taste klemmt 
 #define TR_INVERT_THR          TR("Gas umkehren?", "Vollgas hinten?") // Th9x 9XR 
diff --git a/radio/src/translations/en.h.txt b/radio/src/translations/en.h.txt
index b4182c64f..fd4bca0c9 100644
--- a/radio/src/translations/en.h.txt
+++ b/radio/src/translations/en.h.txt
@@ -898,6 +898,8 @@
 #define TR_ALARMSWARN          "ALARMS"
 #define TR_SWITCHWARN          TR("SWITCH", "CONTROL")
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe not set"
 #define TR_KEYSTUCK            "Key stuck"
 #define TR_INVERT_THR          TR("Invert thr?", "Invert throttle?")
diff --git a/radio/src/translations/es.h.txt b/radio/src/translations/es.h.txt
index c741c106f..4e4ce99d3 100644
--- a/radio/src/translations/es.h.txt
+++ b/radio/src/translations/es.h.txt
@@ -874,6 +874,8 @@
 #define TR_ALARMSWARN          "ALARMAS"
 #define TR_SWITCHWARN          "INTERPTOR"
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe not set"
 #define TR_KEYSTUCK            "Key stuck"
 #define TR_INVERT_THR          TR("Invertir Acel?", "Invertir Acel.?")
diff --git a/radio/src/translations/fi.h.txt b/radio/src/translations/fi.h.txt
index 1812e2288..0934e5ad8 100644
--- a/radio/src/translations/fi.h.txt
+++ b/radio/src/translations/fi.h.txt
@@ -874,6 +874,8 @@
 #define TR_ALARMSWARN          "ALARMS"
 #define TR_SWITCHWARN          TR("SWITCH","CONTROL")
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe not set"
 #define TR_KEYSTUCK            "Key stuck"
 #define TR_INVERT_THR          TR("Invert Thr?","Invert Throttle?")
diff --git a/radio/src/translations/fr.h.txt b/radio/src/translations/fr.h.txt
index 437c9f668..ee34ba161 100644
--- a/radio/src/translations/fr.h.txt
+++ b/radio/src/translations/fr.h.txt
@@ -906,6 +906,8 @@
 #define TR_ALARMSWARN          "SON"
 #define TR_SWITCHWARN          TR("INTERS","CONTROLES")
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe pas déf."
 #define TR_KEYSTUCK            "Touche bloquée"
 #define TR_INVERT_THR          "Inverser Gaz?"
diff --git a/radio/src/translations/it.h.txt b/radio/src/translations/it.h.txt
index 91ecf7358..4cfc77ee4 100644
--- a/radio/src/translations/it.h.txt
+++ b/radio/src/translations/it.h.txt
@@ -909,6 +909,8 @@
 #define TR_ALARMSWARN          "ALLARMI"
 #define TR_SWITCHWARN          "CONTROLLI"
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe non settato"
 #define TR_KEYSTUCK            "Tasto bloccato"
 #define TR_INVERT_THR          "Inverti Mot?"
diff --git a/radio/src/translations/nl.h.txt b/radio/src/translations/nl.h.txt
index fd680c949..8213566f5 100644
--- a/radio/src/translations/nl.h.txt
+++ b/radio/src/translations/nl.h.txt
@@ -923,6 +923,8 @@
 #define TR_ALARMSWARN          "ALARM"
 #define TR_SWITCHWARN          "SCHAKELAAR"
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         TR("Failsafe niet ing.", "Failsafe niet ingesteld")
 #define TR_KEYSTUCK            "Toets klemt"
 #define TR_INVERT_THR          TR("Gas omdraaien?", "Volgas achter?")
diff --git a/radio/src/translations/pl.h.txt b/radio/src/translations/pl.h.txt
index 1d15027b9..fb0bd456c 100644
--- a/radio/src/translations/pl.h.txt
+++ b/radio/src/translations/pl.h.txt
@@ -911,6 +911,8 @@
 #define TR_ALARMSWARN          "ALARM"
 #define TR_SWITCHWARN          TR("Przełą","Kontrola")
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Brak Failsafe"
 #define TR_KEYSTUCK            "Blokada klucza"
 #define TR_INVERT_THR          TR("Odw.Gaz?","Odwróć gaz?")
diff --git a/radio/src/translations/pt.h.txt b/radio/src/translations/pt.h.txt
index 25b0ec12a..cca955a99 100644
--- a/radio/src/translations/pt.h.txt
+++ b/radio/src/translations/pt.h.txt
@@ -869,6 +869,8 @@
 #define TR_ALARMSWARN          "ALARMES"
 #define TR_SWITCHWARN          "CHAVES"
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe not set"
 #define TR_KEYSTUCK            "Key stuck"
 #define TR_INVERT_THR          "Inverte Acel?"
diff --git a/radio/src/translations/se.h.txt b/radio/src/translations/se.h.txt
index 6c0c129eb..772a58aa8 100644
--- a/radio/src/translations/se.h.txt
+++ b/radio/src/translations/se.h.txt
@@ -922,6 +922,8 @@
 #define TR_ALARMSWARN          "ALARM"
 #define TR_SWITCHWARN          "BRYTARE"
 #define TR_FAILSAFEWARN        "FAILSAFE"
+#define TR_SDCARDVERSIONWARN   "SD Card Check"
+#define TR_WRONG_SDCARDVERSION "Wrong SDCARD file version"
 #define TR_NO_FAILSAFE         "Failsafe ej given"
 #define TR_KEYSTUCK            "Knapp-fel"
 #define TR_INVERT_THR          TR("Invert.Gas?", "Invertera Gasen?")