How To - Hard Reset Oppo F5

A (factory reset) on the OPPO F5 restores the phone to its original system state, erasing all user data, accounts, apps, and settings. It’s useful for fixing software issues, removing forgotten screen locks (Google account may still be required), or preparing the phone for sale.

If the phone remains slow after a factory reset, it might be a hardware issue (e.g., failing eMMC storage) or a battery problem. In this case, try flashing the official firmware using OPPO’s SP Flash Tool (advanced users only) or visit a repair shop. How to Hard Reset OPPO F5

Use this method if the device is frozen, stuck in a boot loop, or you have forgotten the screen lock. A (factory reset) on the OPPO F5 restores

If your phone is functional, use the OPPO F5 Settings Guide for the safest experience: In this case, try flashing the official firmware

This is the easiest and safest method, but it only works if you can unlock your phone and access the Android OS.