You must know your current "Custom" version to avoid compatibility issues.
Are you trying to a phone or upgrade the Android version? Is your device currently stuck on a boot screen (logo)? Do you have access to a Windows PC and a USB data cable ? huawei p30 lite marlx1a firmware download exclusive
A: Yes, but you must use the dload method. Downgrading via HiSuite is blocked by Huawei. You must know your current "Custom" version to
Huawei P30 Lite (MAR-LX1A) , firmware updates are generally delivered as official over-the-air (OTA) releases or can be manually flashed using stock firmware files in cases of system recovery or region-specific updates. Official Update Methods huawei p30 lite marlx1a firmware download exclusive