Cause: Huawei removed bootloader code query after June 2018 security patches.
Solution: Downgrade your phone to an older EMUI version via HiSuite proxy method, then run the reader.

Once in Fastboot mode, the device acts as a "reader" for diagnostic commands. By connecting the phone to a Windows PC with ADB (Android Debug Bridge) tools installed, you can read critical data such as:

To check this, you would open a command prompt on your PC and type fastboot devices or fastboot getvar all.

If your device is functioning normally, you can enter this mode using button combinations:

(Note: If your device is stuck in a bootloop, you may need to hold Volume Down and Power simultaneously until the Fastboot screen appears.)

When your Honor phone is black and won't turn on, you need a hardware reader:


If your device is still working, think twice before using a reader. But if you’re staring at a dead screen and a blinking USB light, unlock the potential of your Huawei or Honor with a dedicated Fastboot reader. It might just be the only tool that can save your phone.


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Cause: Bootloader is locked (unlocked: NO).
Solution: You cannot read protected partitions on a locked bootloader. You can still read getvar all but not dump boot. Unlock bootloader first—if possible.