Hello Bob,
if a custom Rom cannot be installed on a device, installing the Stockrom firmware has proven to be very useful. This way, everything is set to the beginning and offers good conditions for a new beginning.
With Odin3 flashing the firmware is a breeze. You can do this for sure!
You need the following:
- Samsung Android → Samsung Driver
- Tool → SamFirm 0.4.1 to quickly download the firmware: I9300XXUGNG3/I9300 … your | region …
- Samsung’s → Odin3
- Android Firmware I9300XXUGNG3/I9300 … your Region …
Look at you too → [HOWTO] Install /e/ on a Samsung smartphone with Windows easily
If you have any questions, just ask, please…