Android 6.0 Marshmallow firmware update is now available to download for Huawei GR5 KII-L22. Here, on this page I have provided safe and secure direct link to download Huawei GR5 KII-L22 Marshmallow firmware. Below are the firmware details, flashing guide and download link.
- Device: Huawei GR5
- Model: KII-L22
- Android: v6.0 Marshmallow
- EMUI: 4.0
- Firmware: B310
- Build Number: KII-L22C636B310
- Custom Number: CUSTC636D002
- Release Date: 6.06.2016
- Region: Asia Pacific
- Country: Thailand
- Status: Official (stable)
- Type: Full firmware image
- File Name: Huawei_GR 5_Firmware_KII-L22_Android 6.0_EMUI 4.0_C636B310CUSTC636D002_Thailand.zip
- Download Link: Official Mirror
- Size: 1.55 GB
How to Install
This firmware requires your phone to be running one of the following versions onboard already:
Here’s the procedure on installing this firmware:
- Download the firmware zip package on your PC.
- Extract the archive and transfer the “dload” folder to the external microSD card.
- [Recommended] Take a full backup of your existing stuff.
- Power your device off.
- Now reboot while holding Volume down + Volume up + Power keys for a couple of seconds to initiate the upgrade.