Index: sources/device/DeviceModels.cpp
===================================================================
diff -u -r3e682c5afdadcf4dd2006e3d975fbee58e48619e -rc2f474ff07c98aa350c445a2474976a3cf985f40
--- sources/device/DeviceModels.cpp	(.../DeviceModels.cpp)	(revision 3e682c5afdadcf4dd2006e3d975fbee58e48619e)
+++ sources/device/DeviceModels.cpp	(.../DeviceModels.cpp)	(revision c2f474ff07c98aa350c445a2474976a3cf985f40)
@@ -230,9 +230,12 @@
 
     // get the value
     QString val         = vByteArray;
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
     // TODO: Qt6 port - find replacement for deprecated QString::isSimpleText().
-    // ok = ! val.isNull() && val.isSimpleText();
     ok = ! val.isNull();
+#else
+    ok = ! val.isNull() && val.isSimpleText();
+#endif
 
     // check if the vExitCode passed and it has a value other than zero
     if ( ! ok                       ){ _data.mReason = Device::DeviceError::eDevice_Scripts_Error_Incorrect_Rsp_Type    ;   goto lError;  } // there is not a valid value
@@ -277,8 +280,12 @@
 
     // get the value
     QString val         = vByteArray;
-    // TODO: Qt6 Port: ok = ! val.isNull() && val.isSimpleText();
-    ok = ! val.isNull(); // TODO: Qt6 Port
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    // TODO: Qt6 port - find replacement for deprecated QString::isSimpleText().
+    ok = ! val.isNull();
+#else
+    ok = ! val.isNull() && val.isSimpleText();
+#endif
 
     // check if the vExitCode passed and it has a value other than zero
     if ( ! ok                       ){ _data.mReason = Device::DeviceError::eDevice_Scripts_Error_Incorrect_Rsp_Type  ; goto lError; } // there is not a valid value
@@ -323,8 +330,12 @@
 
     // get the value
     QString val         = vByteArray;
-    // TODO: Qt6 Port: ok = ! val.isNull() && val.isSimpleText();
-    ok = ! val.isNull(); // TODO: Qt6 Port
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    // TODO: Qt6 port - find replacement for deprecated QString::isSimpleText().
+    ok = ! val.isNull();
+#else
+    ok = ! val.isNull() && val.isSimpleText();
+#endif
 
     // check if the vExitCode passed and it has a value other than zero
     if ( ! ok                       ){ _data.mReason = Device::DeviceError::eDevice_Scripts_Error_Incorrect_Rsp_Type  ; goto lError; } // there is not a valid value