Only for hardcore hardware hackers. Most P30 Lites have updated firmware, making this useless.
To unlock the device now, you must use unofficial third-party tools, many of which require opening the phone to use "testpoints" or paying for a specialized software license. ⚠️ Critical Warnings Data Loss: Unlocking the bootloader will factory reset your device and erase all data. Security & Warranty: How to Unlock Bootloader in HUAWEI P30 Lite phone
: On newer versions of EMUI (typically EMUI 10 or later), HUAWEI removed the oem unlock Only for hardcore hardware hackers