Over time, Android devices can accumulate digital clutter, corrupted cache, or conflicting app data. While a factory reset can fix this, sometimes the corruption lies deeper in the system partition. Flashing the stock ROM wipes the slate clean, often restoring the phone to the snappy performance it had when it was new.
: Attempts to keep user data (best for simple version updates). Start Flash . The phone will display a progress bar. Do not disconnect the cable until the phone reboots to the home screen. 5. Troubleshooting and Advanced Scenarios Bootloader Unlocking lg wing flash file