Oppo F1s Firmware !free! Download 7-1-2 -

A1603_11_A.22_171207_7.1.2_OTA.zip (approx. 1.7 GB)

Ensure you downloaded the exact firmware for your model ( A1601 vs others). Oppo F1s Firmware Download 7-1-2

Launched in August 2016, the Oppo F1s turned heads with its 16 MP front camera and sleek metal body. It originally ran on Android 5.1 (Lollipop) with Oppo's ColorOS 3 skin. While a few regional variants received a subsequent upgrade to Android 6.0 (Marshmallow), the device never received an official Android 7.1.2 Nougat update from Oppo. This limitation has led many users to explore custom ROMs like LineageOS 14.1 to experience a newer operating system. A1603_11_A

To successfully install Android 7.1.2 on your Oppo F1s, you must fulfill the following requirements: It originally ran on Android 5

: The internal security system must be unlocked to accept non-official firmware.

Note: The initial boot up after a fresh installation can take up to 10–15 minutes. Do not interrupt the process. Troubleshooting Common Installation Issues Issue / Error Likely Cause Corrupted cache or missed wipe step