This is the standard manual way to flash official Huawei firmware without a PC. : Download the stock ROM and extract it.
| Model Code | Region | Notes | | :--- | :--- | :--- | | | Europe / Global | Single SIM. Most common variant. | | ANE-LX2 | Europe | Dual SIM. Requires specific dual-SIM firmware. | | ANE-LX3 | Latin America | Often carrier-locked; firmware differs from LX1. | | ANE-AL00/TL00 | China | Chinese firmware; lacks Google services infrastructure. | huawei p20 lite firmware flash tool