A phone with an unlocked bootloader is a phone you truly own. But with ownership comes the risk of breaking it. Unlock wisely.
seven times until "Developer mode has been enabled" appears. Return to the main menu and open Developer options Find and toggle OEM unlocking
Always read the specific ROM’s instructions. Most require formatting data and flashing via ADB sideload or TWRP.
| Problem | Solution | |---------|----------| | OEM Unlocking grayed out | Wait 7 days with internet; set date forward (no longer works on newer firmware) | | "Custom binary blocked by OEM lock" | Re-lock bootloader via Download Mode, but data wipe required | | Bootloop after unlock | Boot to recovery (Volume Up + Power) and factory reset | | Download Mode not detected | Reinstall Samsung drivers, use original USB cable, disable driver signature enforcement on Windows | | TWRP fails to flash | Ensure you are using the correct version for your exact model (A526B ≠ A526W) |
Not all Galaxy A52 5G models are unlockable.