Sounds like you have no alternative but to get it repaired.
Which country do you live in?
You can get your device serviced by contacting Apple Support, or by visiting an Apple Store or Apple Authorized Service Provider next to your place:
Start a service request: http://getsupport.apple.com/GetproductgroupList.action?locale=en_US&caller=sfaq& PRKEYS=PF9
Find an Apple Authorized Service Provider: https://locate.apple.com/us/en/
Make an Apple Store appointment: http://www.apple.com/retail/geniusbar/
Contact via phone: https://support.apple.com/HT201232
Contact your carrier: https://support.apple.com/contact