Press and hold the buttons simultaneously.
The MAR-LX3A shipped with and received updates up to Android 10 (EMUI 10.0) . No official Android 11 or HarmonyOS for this model. firmware huawei p30 lite mar-lx3a
This uses the Huawei IDT (Image Deployment Tool) via USB-COM 1.0 mode. It is complex and beyond basic user scope but is the last resort for a hard brick. Press and hold the buttons simultaneously
. This is the safest way to recover a device that is still booting. dload Method (Manual/SD Card): firmware huawei p30 lite mar-lx3a