The official B320 Marshmallow update for the European Huawei Mate 8 (both single and dual Sim variants – NXT-L09 & NXT-L29) is available to download via the official download links provided below. Firmware Details Device: Huawei Mate 8 Models: NXT-L09/NXT-L29 Android: v6.0.x Marshmallow EMUI: 4.1 Firmware: B320 Build number: NXT-L09C432B320/NXT-L29C432B320 Region: Europe Status: Official Type: Full OTA package File Name: update.zip Download links NXT-L09: Click here (HiCloud) | Size: 1.5 GB NXT-L29: Click here (HiCloud) | Size: 1.5 GB How to Install Compatibility Note: This update should only be installed on C432 based European Mate 8 handsets Download the appropriate zip package from one of the aforementioned link. Extract the contents of the update.zip package on your PC. Create a new folder named “dload” in the external SD card or internal memory of your device. Transfer the extracted Update.app package to the dload folder you just created. Now turn your device off. Next, hold Vol down + Vol up + Power for a few seconds to initiate the upgrade process.