If all matches, the error disappears.
Method 1: Force Exit the Boot Loop (Hardware Button Combination)
Your heart sinks. You double-check the command. You try again. Same result. For users of and its sub-brand Realme (and occasionally OnePlus devices on ColorOS), this error has become the ultimate gatekeeper, locking bootloaders tighter than Fort Knox.
Some users have success bypassing the initial verification by using the command adb shell reboot bootloader while the phone is powered on and connected to a PC. MTK Client (for MediaTek Devices) If all matches, the error disappears
occurs when you attempt to enter Fastboot mode or unlock the bootloader on an Oppo or Realme device that has locked or restricted Fastboot access
Sometimes the manual button combination fails, but an ADB command can bypass the verification check. Install Platform Tools : Download the Android SDK Platform Tools on your PC. Enable Debugging Settings > About Phone and tap "Build Number" 7 times. Then, in Developer Options USB Debugging Run Command
can often bypass serial verification by interacting directly with the device's Boot ROM (BROM) mode. This allows for firmware flashing even when Fastboot is inaccessible. Specialized Repair Tools Professional technicians often use paid software like UnlockTool You try again
Oppo does not allow standard fastboot unlocking out of the box. You must officially request an unlock token through their "In-Depth Test" application.
Sometimes, a shorted Volume Down key can prevent the phone from entering proper Fastboot mode, resulting in this error screen during startup.
Let’s dissect the error message word-for-word: Some users have success bypassing the initial verification
Disassemble the phone slightly to check if the volume down button is shorted or pressed permanently.
Save your time and sanity. If you see the error, accept defeat—or switch to a brand that respects your right to unlock.
If you are using a tool that requires manual input of your serial number, a single mismatched character will trigger the error. On your phone, dial *#06# to get your exact .
For devices operating on newer Android iterations, the bootloader security parameters may be too strict to bypass. Downgrading the base firmware often offers an easier path to recovery.