The Oppo F1s was a fantastic phone for its time, but its update journey ended in 2019 with Android 5.1 and ColorOS 3.0. No amount of checking “System Update” in 2025 will magically produce Android 6.0 or a new security patch.
If nothing shows, your phone is already updated or the regional server has been discontinued.
If your build number ends with or similar 2018 digits, you are on the final release. Anything older (e.g., 170517) means you have pending updates.
The device has reached its status and will not receive official updates for Android 7.0 (Nougat), Android 8.0 (Oreo), or any later versions. Specification Launch OS Android 5.1 Lollipop (ColorOS 3.0) Final Official OS Android 6.0 Marshmallow Latest Security Patch Circa February 2017 Google Play Support Limited; many modern apps now require Android 8.0+ How to Update Your Oppo F1s
A: Not officially. Only via custom ROMs like LineageOS 14.1, which requires unlocking the bootloader.
Let us know in the comments below. And if you’ve successfully installed a custom ROM, share your experience to help fellow F1s users.
The final Oppo F1s security patch is from – that’s over seven years old by 2025. This device is vulnerable to known exploits (Stagefright, Blueborne, KRACK). Do not use the Oppo F1s as your primary banking or work device anymore.
The Oppo F1s was a fantastic phone for its time, but its update journey ended in 2019 with Android 5.1 and ColorOS 3.0. No amount of checking “System Update” in 2025 will magically produce Android 6.0 or a new security patch.
If nothing shows, your phone is already updated or the regional server has been discontinued. Oppo F1s Update Version
If your build number ends with or similar 2018 digits, you are on the final release. Anything older (e.g., 170517) means you have pending updates. The Oppo F1s was a fantastic phone for
The device has reached its status and will not receive official updates for Android 7.0 (Nougat), Android 8.0 (Oreo), or any later versions. Specification Launch OS Android 5.1 Lollipop (ColorOS 3.0) Final Official OS Android 6.0 Marshmallow Latest Security Patch Circa February 2017 Google Play Support Limited; many modern apps now require Android 8.0+ How to Update Your Oppo F1s If your build number ends with or similar
A: Not officially. Only via custom ROMs like LineageOS 14.1, which requires unlocking the bootloader.
Let us know in the comments below. And if you’ve successfully installed a custom ROM, share your experience to help fellow F1s users.
The final Oppo F1s security patch is from – that’s over seven years old by 2025. This device is vulnerable to known exploits (Stagefright, Blueborne, KRACK). Do not use the Oppo F1s as your primary banking or work device anymore.