How to Downgrade Huawei P9 from Android Nougat to Marshmallow

Today we share How to Downgrade Huawei P9 from Android Nougat to Marshmallow. Recently Nougat 7.0 update for Huawei P9 was rolled out for some region, and the update is quite stable, but If you update your phone but don’t like the update for any reason …