A preview build of B317 Android 6.0 Marshmallow is available for Huawei P8 (GRA-UL10) in Germany. You can download this firmware package using the official mirror provided below.
Download Huawei P8 B317 Marshmallow Firmware [Stable] [Europe]
Huawei P8 (GRA-L09) has officially getting the final B317 Android 6.0 Marshmallow update based on Emotion UI 4.0 in several European countries. You can download the full firmware package of this update below.
Download Huawei P8 B313 Marshmallow OTA Zip [Beta] [EMUI 4.0]
Huawei P8 is officially getting its first Android 6.0 Marshmallow build (C432B313) based on Emotion UI 4.0 in Germany via OTA. You can download this update’s incremental Zip package below.