Download Huawei GR5 (KII-L22) Marshmallow Firmware [B310] [EMUI 4.0]

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.

Firmware Details

• 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:

• KII-L22C636B130
• KII-L22C636B301

Here’s the procedure on installing this firmware:

1. Download the firmware zip package on your PC.
2. Extract the archive and transfer the “dload” folder to the external microSD card.
3. [Recommended] Take a full backup of your existing stuff.
4. Power your device off.
5. Now reboot while holding Volume down + Volume up + Power keys for a couple of seconds to initiate the upgrade.

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