Oppo F1s Android 11 Update Free Download May 2026

, released in 2016, does not have an official Android 11 update. The device officially peaked at Android 6.0 Marshmallow

Is Oppo F1s Eligible for Android 11 Update? oppo f1s android 11 update download

Best Android 11-Based Custom ROMs for OPPO F1s

| 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 | , released in 2016, does not have an

Step 1: Unlock the Bootloader

• Enable Developer Options (tap Build Number 7 times).
• Enable OEM Unlocking and USB Debugging.
• Connect to PC and run: fastboot oem unlock (Note: for some F1s variants, you need an unlock code from OPPO – which is no longer available. Workaround: Use the "eng" bootloader method via SP Flash Tool).