In the command window, type: fastboot oem unlock [YOUR_CODE_HERE] (Replace [YOUR_CODE_HERE] with the actual code you received. Do not include brackets).
Ensure the service you use supports your specific sub-model, as some variants are harder to unlock than others. unlock bootloader huawei p10 lite
A bootloader is a small program that loads the operating system into memory when a device is powered on. It is responsible for initializing the device's hardware and loading the operating system. On Android devices, the bootloader is usually locked by the manufacturer to prevent users from making unauthorized changes to the device's software. In the command window, type: fastboot oem unlock
If you want to double-check if your bootloader is unlocked: In the command window