: Open a command prompt on your PC (ensure ADB and Fastboot are installed).
This is a more advanced technique that involves physically opening the device to short a specific "testpoint" on the motherboard.
: Use the volume keys on the phone to select "Yes" and the power button to confirm. HUAWEI Global Unlock Bootloader - HUAWEI Community huawei nova 5t unlock bootloader new
: Go to Settings > About Phone and tap Build Number 7 times.
: By shorting the testpoint while connecting the phone to a PC, you put the device into USB COM 1.0 mode . : Open a command prompt on your PC
: A well-known paid software that can often generate or read bootloader codes for Huawei devices. Note that this service requires credits and your phone must be in a specific state to be recognized.
If you manage to obtain a 16-digit code from a service, follow these steps to finish the unlock: HUAWEI Global Unlock Bootloader - HUAWEI Community :
: Turn off your device, hold the Volume Down button, and connect it to your PC via USB until the "Fastboot & Rescue Mode" screen appears.
: Once in this mode, professional tools (often paid) like SigmaKey or HCU Client can bypass the bootloader lock or extract the code.
: Type fastboot devices to ensure your Nova 5T is recognized.