Unlike Samsung or Xiaomi, Huawei devices have a proprietary communication protocol. You cannot simply copy a ROM.zip file to an SD card. Huawei’s system uses a unique "force upgrade" method that requires specific software to write system partitions (like boot , recovery , and system ).
The Huawei P10 Lite has several regional variants (Model numbers WAS-LX1, WAS-LX2, WAS-LX3, etc.). Flashing the wrong firmware can cause critical issues like losing Wi-Fi connectivity or the modem not working. huawei p10 lite firmware flash tool