A: The final official ROM for Nokia 4.2 (Android 11 with March 2022 security patch) does improve thermal management, but battery life is largely hardware-dependent. If you are on Android 9, flashing the final Android 11 ROM will reduce idle drain.
Go back to the Wipe menu, select , and type yes . This removes encryption conflicts. Once completed, select Reboot to System . Troubleshooting Common Issues nokia 42 rom