To give you a concrete idea of the improvement, here are real-world tests on the Oppo A37fw (Snapdragon 410, 2GB RAM).
Stick to 2D games. Modern titles like PUBG or Genshin Impact will not run.
A tailored version of LineageOS aimed at improving stability on MediaTek devices.
Flashing a custom ROM carries inherent risks, including the potential to permanently brick your smartphone. Ensure you complete this checklist before proceeding:
Before installing new software, you must eliminate the old operating system: Tap from the TWRP main menu. Select Advanced Wipe . Oppo A37fw Custom Rom
on ColorOS 3.0. Due to its aging hardware—specifically the Snapdragon 410 chipset and 2GB of RAM
Turn off your device completely. Press and hold the buttons simultaneously until the TWRP logo appears on the screen. Step 2: Create a Nandroid Backup
If you love Google Pixels, this is for you. It ports the Pixel Launcher, wallpapers, icons, and sounds to the A37fw.
The Oppo A37fw, released in 2016, was a popular budget smartphone praised for its sleek design and decent camera capabilities. However, running on Android 5.1 Lollipop and Oppo's heavy ColorOS skin, the device quickly became outdated. If your Oppo A37fw is lagging, crashing, or unable to run modern apps, installing a Custom ROM is the best way to breathe new life into it. To give you a concrete idea of the
ColorOS 3.0 is heavy and fills the limited 16GB storage quickly.
If it works, flash permanently:
Which (e.g., Nougat, Oreo) do you want to install? Do you already have TWRP recovery installed on your phone?
Swipe to confirm the flash. Wait for the process to complete. Step 5: Flash GApps (Google Play Services) A tailored version of LineageOS aimed at improving
, this ROM is known for extreme customization. It allows you to tweak everything from status bar icons to system animations. : A privacy-focused, de-Googled ROM. Unofficial builds of /e/OS-R (Android 11) are available for the A37. Installation Prerequisites
Always make a backup of your EFS/NVRAM partition in TWRP before wiping your device so you can restore your cellular network capabilities if they drop.
If you want total control over visual elements, Resurrection Remix is the ideal choice. It combines features from LineageOS, OmniROM, and SlimROMs. It allows you to customize the status bar, lock screen, animations, and hardware buttons down to the finest detail. 3. AOSP (Android Open Source Project)
But the most beloved ROMs for the A37fw were the ones that pushed the hardware beyond its limits. Modders ported versions of and Pixel Experience . Users were running Android 7.1.2 Nougat, and eventually, through sheer wizardry, Android 8.1 Oreo and even 9.0 Pie.
Note: As of early 2026, many of these are older ports maintained by the enthusiast community, and some bugs, particularly regarding and video recording , may persist. Pre-requisites and Preparation
Once TWRP is successfully installed, you can proceed.