Huawei P8 (GRA-UL00 & GRA-L03) has received a new B361 Marshmallow based update in the Middle Eastern countries. This update is based on Emotion UI 4.0.1 and comes with security patch level of June 1.
Download Huawei P8 (UL00) B330 Marshmallow Firmware [Russia]
Full C10B330 Android 6.0 Marshmallow firmware for the Russian Huawei P8 (GRA-UL00) is now available for download via the official link provided below.
Download Huawei P8 (UL00/UL10) B320 Marshmallow Firmware [Asia]
Android 6.0 Marshmallow update (C636B320) is now out for Huawei P8 (GRA-UL00 & GRA-UL10) variants in several Asian Pacific countries.
Downgrade Huawei P8 (UL00) Marshmallow to Lollipop Firmware [Tutorial]
You can restore your Huawei P8 back to Lollipop OS from Marshmallow using the official B300 transition firmware package provided by Huawei for Europe.
Download Huawei P8 (UL00) B180 Lollipop Stock Firmware [SEA]
Huawei has published the stock C470B180 Android 5.0.1 Lollipop firmware (EMUI 3.1) for its P8 GRA-UL00 flagship from South East Asian region. You can download this firmware as Update.app package here.