✅ (if the phone turns on): Settings → About Phone → Build Number (e.g., MAR-LX3A 10.0.0.xxx(Cxxx) )
: Download the Huawei HiSuite application to your computer. Connect your phone via USB and use the System Update or System Recovery feature to find and install the correct firmware for your specific MAR-LX3A model. Firmware Repositories (Third-Party) Huawei P30 Lite Mar-lx3a Firmware Download
Find the dload folder and copy it to the root directory of a microSD card. ✅ (if the phone turns on): Settings →