Unlocking the bootloader on an is the first step toward installing custom ROMs, recovery tools like TWRP, or gaining root access
However, for enthusiasts who want to breathe new life into their Oppo F1s—whether to install a custom ROM like LineageOS, gain root access, or debloat the system—unlocking the bootloader is the first, and most difficult, step.
Even though unlocking will wipe settings, enabling USB debugging helps the device respond to preloader commands. Unlock Bootloader Oppo F1s
Unlocking the bootloader will factory reset your phone. Use the Oppo Factory Reset Guide to see how data is wiped, but manually back up photos and contacts first.
However, since the F1s uses a chipset, the community has historically used unofficial exploits to bypass the bootloader lock. Key Considerations Before Proceeding Unlocking the bootloader on an is the first
Here’s a useful, structured guide on unlocking the bootloader for the .
Unlike other manufacturers like Samsung or Xiaomi, which require users to use a PC-based tool or put the device into a specific "Download Mode," Oppo devices—particularly the F1s—use a unique, app-based method known as the or "Oppo Unlock Tool." Use the Oppo Factory Reset Guide to see
Unlocking the bootloader will void your warranty and permanently wipe all data on the device.
This process involves two main phases: installing the Unlock APK on the phone and using SP Flash Tool on the PC.