: You typically need to put the phone into "TestPoint" mode, which involves opening the back cover and short-circuiting specific pins on the motherboard to force the device into a low-level "HUAWEI USB COM 1.0" state Hardware TestPoint Method
For those comfortable with hardware, is a popular open-source tool. Unlock Bootloader - HUAWEI Community unlock bootloader huawei p30 pro full
The following guide outlines the unofficial methods currently available, the risks involved, and the necessary prerequisites. 1. Critical Risks and Prerequisites : You typically need to put the phone