HowTo Flash a Modded Acemagic AX16 Pro BIOS?

Hello,

I have an Acemagic AX16 Pro laptop with a Ryzen 7 5700U CPU and integrated Vega graphics.
I would like to unlock the BIOS in order to increase the GPU’s TDP limit.

Unfortunately, every attempt to flash a modified BIOS results in Error 18: Failed to erase/write BIOS.
I have tried multiple flashing methods (including EFI Shell and other tools), but the write protection seems to be enabled.

Is there a way to bypass or disable this protection so I can flash a modded BIOS?
Any help or guidance would be greatly appreciated.

Thank you!


Edit by Fernando: Thread title customized (and shortened)