I have tested device completely, due to 2GB RAM speed not very good but acceptable. WiFi work only 2.4GHz not 5,. In Google Play Store there are some applications which can not find it,but other Android phones can do it properly. However base on factory advertising it works on Android 9, but when testing and checking with some apps, result is Android 6. This device is good for the price of it is average phone,should not compare with expensive one,it is good for normal daily use, screen size is very good.