Huawei P30 Lite has a locked bootloader. Do not attempt to flash firmware from different models (e.g., MAR-LX1A or MAR-LX2A). Doing so will hard-brick your device, requiring a paid motherboard replacement.
Verified firmware builds for the model (typically the Latin American variant) include: EMUI 10: Version 10.0.0.248(C69E7R1P3) . huawei p30 lite marlx3a firmware download verified
This guide provides a step-by-step process to find, verify, and download the correct stock firmware for your MAR-LX3A. Huawei P30 Lite has a locked bootloader
Verify your phone is exactly MAR-LX3A (typically the Latin American/Canadian regional variant) under Settings > About Phone. huawei p30 lite marlx3a firmware download verified