Huawei P30 Lite MAR-LX3A Firmware Download Guide: Flash Official Stock ROM
Copy the entire folder directly to the root directory of your storage drive (e.g., E:\dload\ ). Do not place it inside any other folder. Step 3: Trigger the Upgrade Process
Search for MAR-LX3A 10.0.0.280 (C605E3R1P1) FullOTA – that is the last stable build before Huawei stopped signing this model.
Extract the downloaded MAR-LX3A firmware archive on your computer.

