To successfully download and install a working Android 7.1.2 firmware on your Oppo F1s (A1601), you will need to rely on custom ROMs, as the official stock software ended on Android 6.0.
Once both files are successfully flashed, select the Reboot System option. oppo f1s firmware download 712 work
Turn off your device and hold the Volume Down + Power buttons until the TWRP screen appears. To successfully download and install a working Android 7
Return to the main menu and tap Install . Navigate to your MicroSD card and select your downloaded Android 7.1.2 custom ROM .zip file. Swipe to confirm the flash. Return to the main menu and tap Install
The Oppo F1s is a legendary budget device, but its older official software prevents many modern apps from working. Upgrading to a custom Android 7.1.2 Nougat ROM is the best way to extend the life of this device and keep your apps functional. ā ļø Important Disclaimers and Prerequisites
Install the necessary MediaTek (MTK) USB drivers on your computer.
These are the most stable, working 7.1.2 ROM builds available for the Oppo F1s. Look for these files on reputable Android developer forums like the XDA Developers Oppo F1s Hub .