Disclaimer: Flashing custom ROMs can carry risks. Always follow instructions carefully. This guide is for educational purposes and is based on community-sourced information.
Newer Oppo devices often require an authorized EDL (Emergency Download) authentication to flash. However, the Oppo F1s is an older model and remains one of the few handsets that can be flashed using traditional methods without this requirement.
: Nougat brings tighter app permissions, a refined notification system, and newer security patches. Technical Specifications Tracker
A custom recovery installed ( is recommended). Unlocked bootloader. Battery charged to at least 60%. Where to Find Oppo F1s 7.1.2 Firmware Oppo F1s Firmware Download - 7.1.2
Incorrect flashing can "brick" your device, making it unusable. 📥 Firmware Options Since there is no official 7.1.2, you have two main paths: 1. Official Stock Firmware (Stable)
If your phone turns on and you just want to update to Android 7.1:
If you are unsure about any step of this process, it is strongly recommended to contact OPPO's official customer support (e.g., at 95018 in China) or visit an authorized service center for professional assistance. Disclaimer: Flashing custom ROMs can carry risks
Flash TWRP recovery by typing fastboot flash recovery twrp.img (replace "twrp.img" with the exact name of your downloaded file). Reboot into TWRP by holding . Step 2: Wipe the Old Software Inside the TWRP menu, tap on Wipe . Select Advanced Wipe .
Disclaimer: Flashing firmware carries a risk of bricking your device if done incorrectly. Follow the instructions precisely. The author is not responsible for data loss. Always use official Oppo tools where possible.
Before downloading and flashing the , prepare your device to prevent data loss or hardware failure: Newer Oppo devices often require an authorized EDL
This is the standard method for installing any unofficial custom ROM. It requires a custom recovery like TWRP to be installed on your phone first.
Appendix — troubleshooting commands and helpful tips
Flashing custom firmware can brick your device if done incorrectly. Ensure you complete these steps before proceeding:
Method A — Stock Recovery (recommended if package labeled “Update Data” or “Update.zip”)