The device must have Android version 7.0 or higher. this application is compatible with these Android devices: HUAWEI P20, HUAWEI P10, HUAWEI Mate 10 Pro, HUAWEI Mate 10, HUAWEI Mate 9 Pro, HUAWEI Mate 9, Honor 10, Honor 9, Vivo NEX, Mi MIX 2S, Mi 8, Mi 6, OnePlus 6T, OnePlus 5T, Google Pixel 2 XL, Google Pixel 2.