Modifying your firmware carries risks. Proceed with caution! Step 1: Download the Necessary Files
Finding a direct official download for on the Oppo F1s is complicated because the device officially only supported up to Android 6.0 Marshmallow . While the phone launched with Android 5.1 Lollipop, any transition to Android 7.1.2 typically requires using unofficial custom ROMs. Official Firmware Status Oppo F1s Firmware Download 7-1-2
Ensure any file you download is specifically for the A1601 model to avoid hardware damage. Modifying your firmware carries risks
There are two ways to install the downloaded firmware. Oppo F1s Firmware Download 7-1-2
A1601_11_A.30_171208_7.1.2_OTA.zip (approx. 1.8 GB)