Use this method if your device is soft-bricked, stuck in a boot loop, or cannot read an external SD card.
This is Huawei's official method for a full system recovery. It's the most straightforward way to flash the complete firmware using only a MicroSD card. Huawei P30 Lite Mar-lx3a Firmware Download
Limitation: Only offers approved updates, not full stock firmware for a bricked phone. Use this method if your device is soft-bricked,
If your phone boot loops after flashing, boot into the stock recovery menu (Hold Volume Up + Power while unplugged) and select Wipe Data/Factory Reset followed by Wipe Cache Partition . stuck in a boot loop