Huawei Mate 9 has display Size 5.9 Inches, operating system Android 7.0, up to Android 8.0. The device has ram 4 GB too, card support is microSD, up to 256 GB (uses SIM 2 slot) - dual SIM model only, it has 64 GB hard disk. Back camera 12 MP is awesome, front camera 8 MP is also not bad. Mate 9 has power storage, . Device status is Available