: Flashing a new ROM wipes all internal data, including photos and contacts.
Upgrading to a custom 7.1.2 version is a technical process that involves several risks, including voiding your warranty or bricking the device. The standard procedure includes:
. This is the safest version for stability but lacks modern app support Custom ROM (Android 7.1.2) : Versions of LineageOS 14.1 Resurrection Remix
usually requires a computer and specific software tools. The most common method involves: Preparation Oppo F1s Firmware Download - 7.1.2
: Known as a boot loop, this usually happens if system partitions weren't completely cleared. Re-enter recovery mode, perform another full factory wipe, and re-flash the firmware files.
Newer Oppo devices often require an authorized EDL (Emergency Download) authentication to flash. However, the Oppo F1s is an older model and remains one of the few handsets that can be flashed using traditional methods without this requirement.
Go to Install , select the downloaded ROM zip file, and swipe to flash. : Flashing a new ROM wipes all internal
Modifying system files carries an inherent risk of bricking your device. Complete these steps before starting:
check Internal Storage or Micro SD card where your files are kept. Swipe the bottom bar to confirm the wipe. Step 3: Flash the Android 7.1.2 Firmware Go back to the TWRP main menu and tap Install . Navigate to your external storage and select the downloaded Android 7.1.2 ROM zip file . Swipe to confirm the flash. Do not interrupt this process. Once completed, return to the Install menu. Select the GApps zip file and swipe to install it. Step 4: Reboot and Initialize
| Feature | Android 5.1/6.0 | Android 7.1.2 | | :--- | :--- | :--- | | | Laggy on heavy apps | Smoother with better RAM management | | Notifications | Basic | Bundled notifications + Quick Reply | | Battery Life | Average | Doze 2.0 (Significantly better standby) | | Security | Outdated patches | Included 2018-2019 patches | | Multi-tasking | No split screen | Native split-screen mode | | Camera | Standard ColorOS camera | Improved HDR and selfie processing | This is the safest version for stability but
: Native support for running two apps simultaneously on your screen.
Note: Direct links expire frequently. Search "Oppo F1s A1601EX_11_A.30" for active mirrors.
The most reliable source for custom ROMs for the Oppo F1s (A1601). Search for "[ROM][A1601] LineageOS 14.1 for Oppo F1s".
: Go to Settings > About Phone , tap Build Number seven times, then enable USB Debugging in Developer Options . Essential Download Links
This method retains your data (but backing up is still recommended).