LineageOS-13.0-20240815-UNOFFICIAL-a37f.zip

A37F Original OPPO A37 4G LTE Dual SIM 2GB RAM 16GB ... - eBay

Why? Because of the dedicated developer community keeping it alive through .

Because official support for newer Android versions ended early, the community has developed several custom options. Please update my phone oppo a37f to android version 6

Turn off the device completely, then hold the Power and Volume Down buttons simultaneously until the recovery logo appears.

Since official support has slowed, many users turn to custom or modified ROMs to achieve an Android 6.0+ experience.

Do you prefer a or maximum customization options ? Do you already have TWRP recovery installed on your device?

Check the boxes for , System , Data , and Cache . Do not check Internal Storage or MicroSD.

While finding a custom ROM for the Oppo A37f requires some initial effort—namely the bootloader unlock and TWRP install—the payoff is huge. You can transform a phone originally stuck on Android 5.1/6.0 into a modern device running Android 10 (or even Android 12) with better performance, privacy, and utility.

With an unlocked bootloader and TWRP installed, you are now ready to flash custom ROMs. While this guide focuses on top ROMs, it acknowledges the often limited availability of dedicated A37f ROMs by highlighting active community works and adaptable AOSP sources, especially for Marshmallow.