If your device still boots but needs a software refresh, these official methods are safer: official Huawei PC tool for system recovery and updates. Dload Method : Place the update.app file in a folder named on an SD card. Turn off the phone, then hold Volume Up + Volume Down + Power simultaneously to trigger the local update. Important Safety Note : Flashing board software with IDT will erase all data
Precautions:
If you have a Huawei P30 Pro, Mate 40 Pro, or Nova 7 SE that is hard-bricked, IDT version 9 will fail. Version 20 is the minimum requirement. huawei flash tools idt 20
: Most devices require you to short a specific "Test Point" on the motherboard while connecting the USB cable to trigger the Huawei USB COM 1.0 Battery Level If your device still boots but needs a
: A specialized version used in enterprise environments for testing FPGA images and cloud server environments. Important Safety Note : Flashing board software with