On this page, we have managed to share the official Huawei GR5 BLN-L21HN Stock ROM (Firmware, Flash File). The Stock ROM comes in a zip package and contains USB Driver, Firmware, Flash Tool, and How-to Flash Manual.
Huawei GR5 BLN-L21HN Firmware (Flash File)
Huawei Stock ROM helps you to Upgrade or Downgrade the OS of your Huawei Device. It also allows you to fix the device if it has any Software-related issues, Bootloop issues, and IMEI-related issues.
File Name: Huawei_GR5_BLN-L21HN_Berlin-L21_HNC185B386_EMUI5.0.4_05014CMP_7.0_Dload.zip
Android Version: 7.0
How-to Flash (install): Follow Guidelines
File Size: 2 GB
How to Flash the Stock ROM
- Download and extract the Stock ROM package on the computer using the WinRar or Winzip Tool.
- After extracting the package, you will get the USB Driver, Firmware, Flash Tool, and How-to Flash Manual.
- Install the provided USB Driver on the computer.
- Copy the dload folder to the Device SD memory.
- Boot the device into the Download Mode using the boot keys.
- Update or Flashing process will start automatically.
- Once the Flashing process is completed, disconnect your device from the computer and restart it.
[*] Huawei Driver: If you are looking for the Official Driver for your Huawei device, then head over to the Huawei USB Driver Page.
[*] Backup: If you are going to flash the above Firmware on your Huawei Device, then we recommend taking a backup of your data from the device, as flashing the ROM (firmware) will wipe the data from the device.
[*] Original firmware: The above firmware is officially released by Huawei Mobility LLC. We have scanned the firmware using the Malwarebytes Premium before sharing it online.