Stock software stops at Android 5.1. Custom ROMs can bring Android 7.1 (Nougat) or Android 9.0 (Pie) features to your phone.
A custom ROM is your ticket to another 2–3 years of reliable service.
Check the boxes for , System , Data , and Cache . Oppo A37fw Custom Rom
If you want the exact same software experience that runs on Google Pixel phones, AOSP is the way to go. It is highly optimized, lacks any bloatware, and runs very efficiently on the Oppo A37fw's limited hardware. 3. Pixel Experience
The Oppo A37fw is a 2016 entry-level device (MT6750, 2GB RAM, 16GB storage). Official support ended at Android 5.1 (ColorOS 3.0). Custom ROMs are scarce but exist mainly on Chinese forums (like NeedROM, 4PDA, XDA-Developers — though XDA has limited official threads). Stock software stops at Android 5
Connect your Oppo A37fw to your PC using a reliable USB cable. Copy the downloaded Custom ROM zip and GApps zip files directly to your device's internal storage or an external microSD card. Step 2: Boot into TWRP Recovery Turn off your smartphone completely.
Back up all photos, contacts, and personal files. Flashing a new ROM completely wipes internal storage. Check the boxes for , System , Data , and Cache
: A privacy-focused option, though users have reported bugs such as random reboots and device overheating. Performance and User Experience
The bootloader is the low-level software that starts up your phone. To install a custom ROM, you must unlock it.