Search for "Nokia G300 Development" on XDA-Forums or Telegram. Developers there share test builds that never make it to Google.
: Download the Android SDK Platform-Tools on your PC to communicate with your phone. nokia g300 custom rom
These offer a pure Android experience and are often the most stable way to get Android 14 or 15 on older Nokia hardware. Pixel Experience: Search for "Nokia G300 Development" on XDA-Forums or
: Unlocking the bootloader is a mandatory first step for any custom ROM installation Nokia G300 nokia g300 custom rom