Update: Oppo F1s
Find the official .zip firmware file from trusted repositories like XDA Forums.
If your phone is stuck on Android 5.1 and the OTA check finds nothing, you can manually flash the official Marshmallow firmware. oppo f1s update
If a version is available, tap and then Update Now . Manual Update: Upgrading to Android 6.0 Marshmallow Find the official
Turn off the phone. Press and hold the Power and Volume Down buttons simultaneously until the OPPO logo appears. oppo f1s update
Since Oppo stopped updating the phone, developers in the Android community have created . These are versions of Android built by enthusiasts.