iFix Mobile provides Power Button repair service for the iPhone 4S. All details of this service is outlined in this page. Should you have any questions please call us. Visit Our Repair Store We have multiple repair shops in Toronto. Find a location near you and come in with or without an appointment to have your Apple iPhone 4S Power Button repaired. Please note that as most repairs are caused by accidental damage, we will inspect your device to confirm the repair price. Please call us for more information.