If your volume or power buttons are damaged, you can use a PC to trigger the reboot. Enable Developer Options: About Phone Build Number USB Debugging: System/Additional Settings Developer Options , toggle on USB Debugging Connect to PC: Plug your phone into a computer with a USB cable. Run Command: Open a command prompt/terminal on your PC and type: adb reboot bootloader Your device will automatically restart into Fastboot Mode. Method 3: Via Recovery Mode
If using ADB, ensure Oppo USB Drivers are properly installed on your computer. how+to+open+fastboot+mode+on+oppo+a74+best
If your Oppo A74 can still boot into ColorOS normally, using Android Debug Bridge (ADB) is the most elegant way to reboot directly into the bootloader. If your volume or power buttons are damaged,
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