The OPPO F1s was released in 2016 running Android 5.1 Lollipop. According to OPPO Support , the device officially only received an upgrade to Android 6.0 Marshmallow (ColorOS 3) before reaching its end-of-life for software maintenance. Can I Still Get Android 11?
The device will check for any available official ColorOS/Android patches.
: These methods can "brick" your phone (make it unusable), void your warranty, and often result in bugs where the camera, fingerprint sensor, or GPS stop working. How to Check for the Last Official Update
Does the OPPO F1s actually support Android 11? Can you download an official ColorOS 11 update for this device? In this long-form article, we will separate hard facts from wishful thinking, explain why you won’t find an official update, and—most importantly—provide safe, step-by-step methods to get Android 11-like features on your OPPO F1s through custom ROMs.
The phone will automatically check for any remaining official patches. Unofficial Options (Android 11 Custom ROMs)
