Removal of the firmware
If you need to remove the firmware, you can reload the official firmware for your radio, using the official firmware loader application, however before reinstalling the official firmware you should restore your Flash backup using the OpenGD77, as this will restore your original codeplug.
If restoring the Flash does not work you may need to change the setting.ini file of the official cps to allow your old codeplug to be uploaded as the radio probably now requires a passcode before it can be used.
In settings.ini, Change
password=0 to password=password
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