Unlike many Android manufacturers who provide a straightforward unlocking path, Huawei terminated its official bootloader unlocking service in 2018. Consequently, the process for the P30 Lite differs significantly from other devices, often requiring third-party paid services to obtain the necessary unlock code.
Because Huawei locked down the "fastboot" commands, you must exploit a vulnerability in the phone’s firmware. These methods are complex, expensive, or dangerous. How to Unlock Bootloader in HUAWEI P30 Lite phone
Would you like a step-by-step for a safe ADB/modification option that doesn’t require unlocking the bootloader? How to Unlock Bootloader in HUAWEI P30 Lite phone