Huawei has pushed B150 Lollipop build for Honor 5X in India. We have shared the official link and installation guide here. Download the package from the link below and follow the guide completely to upgrade Huawei Honor 5X to Lollipop 5.1.1 B150 build. The update is expected for some more performance enhancements and security updates.

DISCLAIMER: Upgrade Huawei Honor 5X KIW-L22 having C675D002 Cust Number only, to Lollipop 5.1.1 B150 build with this guide. Don’t try to flash at any other device. Also, proceed and install at your own risk.

Firmware Info:

Device: Huawei Honor 5X KIW-L22.
Firmware: Android 1.1 Lollipop EMUI 3.1.
Build NO: B150 – KIW-L22C675B150.
Custom NO: CUSTC675D002.
Region: Asia Pacific –India.
Status:Official Full firmware (stable).

Preps| Downloads:

Perform complete backup for your essential data at Honor 5X.
Sufficient battery charge is very important before proceedings.
Install Hi-Suite or USB driver of Huawei at the PC. [Link]
Compatible devices are of C675D002 custom number with already one of the KIW-L22C675B002/ C675B130 existing build.

Download Lollipop 5.1.1 B150 build for Honor 5X: |Official Link| – |Size: 1.51 GB|

File: [Honor 5X_ Firmware_ KIW-L22_ Android 5.1.1_ EMUI 3.1_ C675B150_ India.zip].

Steps to Upgrade Huawei Honor 5X to Lollipop 5.1.1 B150

Unzip downloaded firmware zip file at the PC.
Transfer the dload from the resulted contents at unzipped folder, to micro SD primary directory.
Disconnect and turn off Honor 5X.
Now again reboot while holding pressed the VOL UP+DOWN+POWER buttons all at once for a few seconds.
Monitor the screen and release all buttons at the screen showing update process.
Wait until completion of the process.
After successful installation your device reboots.