If you only need to perform a factory reset or wipe cache, do not use Fastboot. Use the standard Recovery Mode instead.
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Entering Fastboot mode (also known as Rescue Mode) on a HUAWEI BAC-L21 Nova 2 Plus How to Open Fastboot Mode on HUAWEI BAC-L21 Nov...
Once you see the black screen with text, you are now in Fastboot Mode. Here is what you can do next.
adb devices
Before diving into the technical process, it is important to understand the specific hardware you are working with. The model number refers to the Huawei smartphone released in late 2017. In Asian markets, this device was widely marketed as the Huawei Nova 2i , while in other regions, it is recognized as the Huawei Mate 10 Lite .
If your phone is currently powered on and has enabled, you can use the Android Debug Bridge (ADB). If you only need to perform a factory
However, there is a crucial catch. Since 2018, Huawei has officially stopped providing bootloader unlock codes. This means while you enter Fastboot Mode on your BAC-L21, many advanced commands (like fastboot flashing unlock ) will be disabled unless you use third-party tools (like HCU Client or Potato NV).
You are now in Fastboot Mode.
If your HUAWEI BAC-L21 is able to boot into Android normally, you can use ADB (Android Debug Bridge) to reboot directly into Fastboot.
| Command | Effect | | :--- | :--- | | fastboot reboot | Restart the phone normally. | | fastboot reboot recovery | Boot into Huawei eRecovery. | | fastboot oem device-info | Check bootloader status (Locked/Unlocked). | | fastboot getvar vendorcountry | Check region (e.g., hw/eu). | | fastboot erase userdata | Factory reset (if bootloader is unlocked). | Entering Fastboot mode (also known as Rescue Mode)