This happens if the firmware is corrupt or incompatible. You will need to access the recovery menu via the physical reset pinhole and clear the cache/factory reset the unit, then attempt to flash a verified older firmware version. Issue 3: Touch Screen Inverted or Not Working After Update

If you need help finding the right firmware version for your specific device, please let me know:

If no online update is available, you may need to manually install firmware (e.g., versions like K2001N_NWD_S217953