Aporte original por: Puru ,
Try to hard reset. How? Press power and home button at the same time for 7 seconds. Once you see the apple logo, let both go. This should resolve if it's a congestion. If you still here the sound you mentioned, the digitizer died. Needs screen replacement. You can do it on your own if you buy all-in-one screen that ships out with the required screwdrivers. This link will help if it's iPhone 5 as shown in your question picture: http://amzn.to/1S3S1Kx Hope it helps.