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 .
If you cannot unlock the bootloader, stop here. No custom ROM is possible.
Flashing wipes all internal storage. Back up your data completely: Move photos and videos to an external SD card or PC. Sync contacts and calendars with your Google Account. Note down important passwords and app data. 3. Install Drivers and Tools
The Ultimate Guide to Oppo A37fw Custom ROMs (2024-2026) Released in 2016, the was a popular entry-level device, but its official software support ended years ago at Android 5.1 Lollipop with ColorOS 3.0 . For modern users, this version of Android is outdated, lacking security updates and compatibility with many current apps. Fortunately, the developer community has kept this device alive through Custom ROMs . Oppo A37fw Custom Rom
Before you take any action, it is vital to understand the gravity of what you are about to do. You, and you alone, are responsible for the outcome.
Known for being feature-heavy, though it may run slower on the A37fw's limited hardware. AOSP (Android Open Source Project):
LineageOS is the gold standard for custom firmware. It offers a stock Android experience focused on stability, privacy, and performance. Ported versions for the A37fw provide a highly responsive user interface compared to the resource-heavy ColorOS. 2. Resurrection Remix Before wiping anything, select in TWRP
Lite versions of apps (Facebook Lite, Instagram Lite) are highly recommended.
A custom ROM is a fully standalone operating system built from the Android Open Source Project (AOSP) that replaces your phone's stock firmware. For a device like the Oppo A37fw, which was released in 2016 and runs Android 5.1 Lollipop out of the box, a custom ROM is the most effective way to breathe new life into aging hardware. It can provide a faster, more modern, and more secure user experience.
If you use your Oppo A37fw as a primary phone with heavy banking apps, . Many custom ROMs fail SafetyNet, meaning Google Pay and Netflix won't work (though Magisk can hide root). If you cannot unlock the bootloader, stop here
Ensure your phone has at least 60% battery life to prevent unexpected shutdowns during the flash process.
Use a fastboot command prompt on your PC to flash the TWRP image. Step 3: Flash the ROM and GApps
Note: Download the ROM .zip file and the corresponding zip file. Transfer both files to an external microSD card inserted into your Oppo A37fw. Step 4: Wipe the System and Flash the ROM
LineageOS offers a clean, stock-Android experience. It strips away heavy ColorOS skin elements to drastically free up system RAM. It is highly stable for daily use. Resurrection Remix