I am using sony xperia c3 since one year. I always praise the sound quality of sony. Design is also well in all sony mobiles. Design of this phone is super and slim.
It has superb sound quality. Sony is always reliable in sound quality. It has dual support sim slot.
It does not get heated when charging or using data.
It has flash light in front and rear both camera. Other phone does not have flash on front camera.
Front cam is of 5 mp and rear camera is of 8 mp.
Service of sony is also excellent.