Restore your NVRAM backup via TWRP or use IMEI Writer Tool for Qualcomm. Without IMEI backup, your device becomes a Wi-Fi-only tablet.
You cannot install a custom ROM without first unlocking the device's bootloader. Oppo does not provide official bootloader unlock tools, so we must rely on community methods. rom oppo a37f android 60 top
An official Android 6.0 Marshmallow update was reportedly released for the A37 series in some regions around 2017. Checking for Updates: Restore your NVRAM backup via TWRP or use
Select the Reboot option followed by System . The first boot cycle can take anywhere from 5 to 15 minutes to initialize. Troubleshooting and Optimization Oppo does not provide official bootloader unlock tools,
| ROM | Android Version | Stability | |-----|----------------|-----------| | LineageOS 14.1 | 7.1.2 | Daily driver | | Resurrection Remix 5.8.5 | 7.1.2 | Feature-rich | | Pixel Experience (unofficial) | 8.1.0 | Good but minor bugs |
A feature-rich interface port that completely replaces the stock ColorOS look.