fastboot devices
Huawei stopped providing bootloader unlock codes officially in 2018. You must have an unlocked bootloader to flash partitions via Fastboot.
Sometimes fastboot reboot doesn't work because the system partition is corrupted. Alternative exit methods: flash huawei firmware via fastboot
| Partition | Function | Flashable via Fastboot? | | :--- | :--- | :--- | | | Linux kernel (boot image) | Yes | | ramdisk | Initial root file system | No (part of recovery) | | recovery_ramdisk | eRecovery mode (EMUI 9+) | Yes | | system | Core Android OS (read-only) | Yes (via super) | | cust | Customizations (carrier bloat, regional settings) | Yes | | vendor | Proprietary blobs (camera, GPU) | Yes | | product | Huawei apps (HiCare, Health) | Yes | | version | Baseband/Modem config & IMEI data | Yes (DANGEROUS) | | modem | Radio firmware | Usually via fastboot flash modem | | persist | Sensors, WiFi MAC, DRM keys | NEVER FLASH (loses widevine) |
Before flashing, run fastboot getvar all and screenshot the output. Save your original persist , nvme , and version partitions via dd if you have root. Alternative exit methods: | Partition | Function |
If "FRP Lock" is enabled, you may be blocked from flashing certain partitions. Ensure you have removed your Google and Huawei accounts or enabled "OEM Unlocking" in Developer Options.
Before you begin, ensure you have checked the following boxes to avoid permanently damaging your device: If "FRP Lock" is enabled, you may be
If your bootloader is locked, do not attempt to flash via Fastboot. Use HiSuite (official recovery) or eRecovery (Download latest firmware via WiFi). If your bootloader is unlocked, follow the partition order strictly, never skip version.img , and always verify the anti-rollback index.
Flashing via fastboot is a high-risk procedure. Read these carefully:
, which can be difficult on modern Huawei devices due to the manufacturer no longer providing unlock codes. Prerequisites Unlocked Bootloader: Mandatory for Fastboot flashing. Huawei USB Drivers: Installed on your PC so the device is recognized. ADB and Fastboot Tools: Available via the Android SDK Platform-Tools Stock Firmware: The correct UPDATE.APP