XIAOMI RED MI 3S PRIME is a very good phone in this very good features are present . their is a 5 inch hd display and a good and powerfull processer qualcomm snapdragon 430 octa core with 3 gb ram ram and 32 gb rom which can be expanded up to 128 gb using a sd card . the camera of his phone is also good 13 mp primary and 5 mp front which is very good and also it supports VOLTE, LTE 4g voice calling and have dual sim hybrid sim slot and has very good battery backup of 4100 mah which is power full and at this price range this phone can beat all the smart phone in this price range . this phone is exellent