: Open a command prompt or terminal in your ADB folder and type: adb reboot bootloader
If your goal is to use Fastboot commands, you must first unlock the bootloader via OPPO’s official (or unofficial) channels. For many A54 users, that is a dead end. How to Open Fastboot Mode on OPPO A54
| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | adb reboot bootloader reboots normally | Bootloader is locked | Unlock bootloader via OPPO’s Deep Testing app (if available) | | Device not found in ADB | USB Debugging off or bad driver | Reinstall OPPO USB drivers, try a different USB port | | Black screen but PC detects something | Driver issue in Fastboot mode | Update Fastboot drivers in Windows Device Manager | | Hardware combo shows Recovery Mode | Wrong button combo | You cannot go from Recovery to Fastboot without ADB | : Open a command prompt or terminal in
Your OPPO A54 will reboot directly into . How to Open Fastboot Mode on OPPO A54
