Huawei GR5 icon

Download official Firmware for Huawei GR5 (KIIL21)

Build: KIIL21C185B321CUSTC185D001
Size: 535.60MB
Downloads: 28
Rom Type: OTA

Change Log: EMUI 4.0.2 (based on Android 6.0.1 Marshmallow) is available for your device. This update upgrades the system to KII-L21C185B321CUSTC185D001. ● The user can share the information edited in the Notepad to other users by plain text or mail or picture. ● You can switch unwanted call to the Background. ● Optimized several shortcuts in the drop down menu. ● Improved the UIs on the contacts screen. ● Improved device security with Google security patches. ● Download over a Wi-Fi network is recommended. Data charges may apply if you use a mobile network. ● Make sure your phone battery has enough power (> 50%). ● If you experience any issues during the update, please call the Huawei customer service hotline or visit an authorized Huawei service center for assistance. ● This update will not erase your personal data, but we recommend that you back up any important data before updating.

These are the instructions to flash Stock firmware on Huawei GR5 (KIIL21) using the Card update method.

Requirements: Your Huawei Smartphone or tablet should have atleast 20-30 percent of battery to perform the flashing process and a Micro SD Card (must).

Flash Stock firmware on Huawei Smartphone (Card Update)

Step 1: Create a new folder on your Micro SD Card and rename it to dload.

Step 2: Download and extract Huawei Smartphone firmware (for your device) on your Computer. After extracting you will be able to see these files:

Step 3: Now Copy UPDATE.APP and paste it the dload folder on your Micro SD card.

Step 4: Now Power Off your Huawei Smartphone.

Step 5: Now, Press Volume UP, Volume Down and Power Button at the same time for 5-8 seconds until the update process is started automatically.

Step 6: Update Process may takes 5-10 minutes to complete.

Step 7: Once Update Process is completed your device will reboot automatically and ready to use.


Notic: Please keep in mind that, you must flash Huawei GR5 (KIIL21) firmware at your own risk and also full responsible with you.


Please be informed that Huawei-firmware.com only share the official firmware WITHOUT ANY modifications. All Huawei Roms here are for home or personal use only.