The power button of a HTC one SV is used to switch on or off the phone. The power button of this smart phone can be damaged by water, liquid, fluid, by dropping, dust or decay of its life. In case the power button starts no response or poor response, it needs a repair or replacement. Our technicians at service centre can find and rectify the issue with great skills and expertise. We are committed to use genuine parts for replacement You can personally visit us at our service centre, call us at 04 4211494, live chat with us or email us at firstname.lastname@example.org Our free PICK & DROP service for your damaged HTC is a distinction with rapid and reliable service.