The button that is most frequently used is its power button. It is used each time the user switches on or off the iPhone 4s so its problem ratio is high and utility is non replaceable. Whenever this button creates problems and disturbance for you just make us a call on 04 4211494 to move our collection crew to collect your iphone 4s power button damage to our service centre at JLT DUBAI. Our technician can fix this issue within an hour and remaining is the time taken for pick and drop. Our service charges are competitive and affordable. We assure quality and loyalty.