Choose and select your downloaded firmware. 4. Troubleshooting Common Issues
Before you start, ensure you have the following ready to avoid turning your phone into a paperweight:
You can use the ROM Manager app to install ClockworkMod Recovery directly. Flash the Zip: Boot into Recovery (hold Power + Home + Volume Down). Select Wipe data/factory reset .
If your PC doesn't see the phone, try a different USB port or a Windows XP/7 environment, as modern Windows versions sometimes struggle with these older drivers. Trying to Custom ROM a 13-Year-Old Phone... (LG Optimus L3)
To install a custom firmware like CM9, you’ll need a custom recovery: