The sound quality of the samsung galaxy s II T mobile was so low.the sound is cracking.i am using this phone for to months and I am not satisfied on it.and its west of money for me.colour of the display is low.bettery was no good at all.but the model was good and light waight to be use.the camera was good, the quality of the photo was good but the front camera was bad.so over all the at this lavel price is west of money