Firmware Hot! Download 7-1-2: Oppo F1s

After the ROM is installed, repeat the installation process for the GApps zip to ensure you have the Play Store and other Google services.

A full system backup is critical as this process wipes all data. Oppo F1s Firmware Download 7-1-2

You must have TWRP (Team Win Recovery Project) or CWM installed to flash the ROM files. After the ROM is installed, repeat the installation

The phone's bootloader must be unlocked to allow custom software. After the ROM is installed

You will need the LineageOS 14.1 ROM zip and a compatible GApps (Google Apps) zip for Android 7.1. Step-by-Step Installation Guide

Before attempting to flash a custom Android 7.1.2 firmware, ensure you have the following:

At least 60% charge to prevent the device from shutting down during the flash.