Oppo A37fw Custom Rom |verified|

Perfect for users who want maximum customization options for themes, status bars, and shortcuts.

Several projects have provided unofficial support to bring the A37fw beyond its native Lollipop OS: Oppo A37fw Custom Rom

: Boots in about 2 minutes and leaves approximately 1.1GB of RAM free before apps are opened. Perfect for users who want maximum customization options

| Issue | Possible Cause | Potential Solution | | :--- | :--- | :--- | | | Incompatible kernel/module, or data corruption | Boot into TWRP, wipe cache/dalvik, or perform a factory reset. | | No SIM / Signal (IMEI missing) | Baseband firmware incompatibility | Flash a baseband/modem fix file, or restore from a Nandroid backup of your EFS partition. | | TWRP Won't Flash / Errors | Wrong TWRP version for your build number | Re-download the correct TWRP image for the Oppo A37fw. | | Can't Boot After Flashing GApps | Wrong GApps architecture or Android version | Ensure you downloaded GApps for ARM64 and for your specific Android version (e.g., 12 for LineageOS 19.0). | | Device Not Detected in QFIL | Drivers not installed correctly or phone not in EDL | Reinstall drivers, try a different USB port/cable, or manually put the phone in EDL mode by running the adb reboot edl command. | | | No SIM / Signal (IMEI missing)

: Stock ColorOS is often described as bloated; custom ROMs like LineageOS offer a "clean" Android experience that can make the aging Snapdragon 410 chipset feel more responsive.

Before wiping anything, select in TWRP. Check all boxes (System, Data, Boot) and swipe to create a full system restore point. If anything goes wrong, you can restore this backup. 2. Wipe the Old OS Return to the main menu and select Wipe . Tap Advanced Wipe .