Lenovo S90A
Slim and weight less.
Very hard to root because of very strong internal software even thoug if you try to root some time you would not able back your phone as normal.
3.Good photo quality back and front camera.
4.System software updating as well as normal.
5.I neverl feel my phone were struck until now.
6.Specially hear phone very nice and good quality.
7.You should delete internal game it’s better to improve your mobile battery life too.