I like nokia company for mobile phone, in this nokia x2 02 is the good product of this company, I have nokia x2 02, it is the best model of this company, its side sim makes is very smart, if you want the change of the sim of this phone you can change easily without bettery open to out side from the phone, its bettry backe up is very large, this phone likes very beautiful shapes, and beautiful size, my all family have this phone and my friend also have it