Marshmallow Preview builds is now available for the German Huawei P8 UL10. Users can download and update Huawei P8 UL10 through this manual guide. The users of Huawei P8 who are interested to update locally, can download marshmallow Preview build from the link mentioned here and flash it via updater app.

DISCLAIMER: With this guide only Update Huawei P8 UL10 to Marshmallow B317 Preview with carries C432D001 having custom number [GRA-UL10C900B161], [GRA-UL10C900B181] or [GRA-UL10C432B313]. Not recommended for other variants. Proceed at your own risk.

Firmware Info:

Device Mode: Huawei P8 GRA-UL10.
Firmware: Android 6.0 Marshmallow EMUI: 4.0.
Firmware Build: GRA-UL10C432B317.
Custom Number: CUSTC432D001.
Firmware Region: Europe [Germany].
Status: Official (Preview).

Preps| Downloads:

Backup the existing data on Huawei P8 first and store safe and sound.
Sufficiently charge the P8 battery, recommended is more than 70%.
First install the USB driver of Huawei or HiSuite for smooth connectivity. [Download Link].

Download Firmware preview build from here. |Official Link| – |Size: 1.47 GB|.

Firmware File Name: Huawei_P8_Firmware_GRA-UL10_Android6.0_EMUI4.0_C432B317_Europe_Preview Version_Not Final Release.zip.

Steps to Update Huawei P8 UL10 to Marshmallow B317 Preview.

Download and extract the firmware from the upper mentioned link on your PC.
Extracted contents will have the ‘dload’ folder. That contains app file.
‘Then connect P8 with PC via USB cable. Next Transfer the ‘dload’ folder on the ‘SD-card’ of the P8.
Now disconnect the P8 safely. And turn it OFF.
Now boot into recovery mode. To do so [press and hold VolUP+ VolDown+ Power] buttons altogether.
Then release power button when P8 vibrates and installation starts.
Release the other buttons also.
Now the flashing process goes, and after completion P8 reboots.