Since there is no single official "consumer" flash tool, the community and professional technicians rely on these platforms:
: Some tools like PotatoNV or Haafedk Kirin Free Tool can unlock the bootloader by putting the device into "HUAWEI USB COM 1.0" mode. hisilicon kirin 710 flash tool
Upgrading or downgrading firmware when the phone can still display the white Fastboot rescue screen. Since there is no single official "consumer" flash
: If you have an unlocked bootloader or custom recovery, avoid using the built-in Huawei OTA updater. Doing so can relock the bootloader and replace your custom kernel; it is safer to flash updates through your service tool. hisilicon kirin 710 flash tool