An official rollback package (B300) is now available for Huawei P9 users to let them restore their Nougat running devices back to the original Marshmallow (Emotion UI 4.1) firmware. The downgrade packages for supported regions can be downloaded via the direct links provided below.
You can now easily downgrade your Huawei Mate 8 from Nougat (EMUI 5.0) back to its stock Marshmallow build using the official rollback package (B500) provided by Huawei. This transition firmware is currently available for Russian, Asian Pacific and Middle Eastern variants only.
Huawei has released a new B521 Nougat update (beta) for its European Mate 8 (NXT-L09 & NXT-L29) handsets. This version is based on Huawei’s latest Emotion UI 5.0 interface.
Huawei Mate 9 has got a new update in Europe, carrying build number B122. This firmware is based on Nougat (Emotion UI 5.0) and is intended to improve system stability and performance.