Huawei P8 lite ALE-L21 is getting another Update of Android 6.0 and users already running the B188 firmware with custom number CUSTC432 and Dual SIM can install these updates. Here is the detailed and step by step guide to upgrade Huawei P8 Lite to Android 6.0 Marshmallow B550 firmware.

DISCLAIMER: Upgrade Huawei P8 Lite ALE-L21 to Android 6.0 Marshmallow B550 firmware running the required firmware with required custom numbers only. Also, this is the official firmware build. However, we and the developers are not to be held responsible for any harm. Take it carefully and at your own risk.

Preps| Downloads:

Do backup for all your important data before proceedings.
Install Huawei driver in your PC. [Download Link]
Note: First upgrade your device (“P8 Lite Dual SIM” to B188) or (“P8 Lite Single SIM” to B181) Android 5.0.1 Lollipop.

P8 Lite (Dual SIM) custom number CUSTC432.

1st Update to B170 firmware [Link] – [Skip this step if already running on this].

2nd Update to B188 firmware: [Full Guide] – [Skip this step if already running on this].

Download Android 6.0 Marshmallow EMUI 4.1 B550 for P8 Lite [Download Link].

Firmware Name: Update.app.

After upgrading to the required firmware build. Download the B550 EMUI 4.0 build and then follow the steps below.

Steps to Upgrade Huawei P8 Lite ALE-L21 to Android 6.0 Marshmallow B550.

Downloaded B550 firmware package in your PC.
Copy the downloaded package to ‘dload’ in microSD. Create “dload” if not exist.
Move to device ‘setting’ then navigate to ‘Update’. Tap ‘Menu’ and choose ‘Local update’.
Now locate dload folder and select update app and start flashing.
Your device reboots auto. Wait for process completion.