If you still want to try the official method one last time:
If you are ready to take the risk, follow this rigorous guide. Assume that your warranty is void, and you could brick your device.
While official Android 11 is impossible, the Android modding community (XDA Developers) has breathed new life into the OPPO F1s. Thanks to Project Treble and GSI (Generic System Image) , certain custom ROMs based on Android 11 (and even Android 12/13) can run on the F1s.
If you search Google for "OPPO F1s Android 11 update download," you will find dozens of shady websites. These sites typically do one of three things: oppo f1s android 11 update download
Warning: Do not download any file claiming to be an "Official OPPO F1s Android 11 Update." No such file exists from OPPO.
| ROM Name | Android Version | Stability | Bugs | Suitable For | | :--- | :--- | :--- | :--- | :--- | | LineageOS 18.1 | Android 11 | 85% | VoLTE, FM Radio | Daily driver with workarounds | | Pixel Experience Plus (11) | Android 11 | 80% | Camera crash in some apps | Pixel lovers | | Havoc OS 4.x | Android 11 | 75% | Bluetooth audio stutter | Customization fans | | crDroid 7.x | Android 11 | 78% | IR blaster not working | Performance seekers |
Note: None of these are perfect. The OPPO F1s lacks official Android 11 vendor support, so you will face bugs like broken VoLTE (no voice calls over 4G) and erratic GPS. If you still want to try the official
If you see "Android 11" discussions regarding the OPPO F1s, double-check the model. The newer OPPO A1 or F-series successors (like F17 or F19) have received Android 11 updates. Users often confuse the model numbers. If you own the original F1s (released 2016), you cannot use update files meant for newer phones.
The short answer is No.
OPPO officially ended software support for the F1s series several years ago. Here is the official update timeline for the device: Warning: Do not download any file claiming to
OPPO does not provide Android 11, Android 10, or even Android 9 for the F1s. The phone’s MediaTek MT6755 processor and 3GB/4GB of RAM are not optimized for modern OS versions like Android 11. Attempting to force an official OTA (Over-the-air) update from OPPO’s servers will yield a "No updates available" message.
Since you cannot go to Android 11, ensure you are on the best official version. You can download the final official stock ROM from OPPO’s firmware archive.