When downloading firmware for your Huawei P30 Lite MAR-LX3A, you may come across two types of files: TEST.UPD and UPD. These files are used for different purposes:
Localiza los puntos de Test Point del MAR-LX3A (generalmente ubicados cerca del conector de la batería).
If your phone is struggling to boot or you need a fresh "test update," Huawei’s built-in is the safest way to download and install official firmware directly from Huawei servers.
Tener instalados los controladores HUAWEI USB COM 1.0. Dónde Descargar el Firmware MAR-LX3A