Huawei Ascend Mate 2 features a large 6.1″ IPS+ LCD 720p display, with 241 ppi pixel density. The Ascend Mate 2 runs on a Qualcomm Snapdragon 400 1.6GHz quad-core processor, 2GB of RAM and 16GB internal storage. It also has a 13MP rear facing camera, and 5MP front facing camera, and is powered by a large 4050mAh battery.
Huawei Ascend Mate 2 received Android 5.1 support and after that Huawei stopped with the official support as 18 month window period ended. But you can update Ascend Mate 2 to Android 6.0 Marshmallow using CM 13 ROM. A detailed guide on how to install this ROM is given below.