A hard reset will permanently erase all data from your phone, including photos, contacts, and apps. Ensure you have backed up your information and that your battery is at least 50% charged before proceeding. Method 1: Using Hardware Buttons (Recovery Mode)
If you need to perform a hard reset on an OPPO F5 for yourself, these are the practical steps she took: How to Hard Reset OPPO F5
Then, methodically, she followed the steps she’d read in forums and manuals, not as a tech manual but as a liturgy. A hard reset will permanently erase all data