My iPhone screen keeps freezing? - 1

I smashed my screen the other day completely and had to get it replaced. Since I've gotten it replaced it freezes CONSTANTLY. I have to lock it and unlock it in order for it to work and sometimes I have to do that like 5 times.

My lock button and home button still work however, but it's really annoying.

Mine did this constantly when i jailbroke mine. If it's jailbroken get rid of the jailbreak. If not jailbroken hook it up to iTunes via USB and back it up then do a restore for a phone that's not working properly. If that doesn't work after you backed it up update the software to newest version 7.12. If that doesn't work you are sol and the motherboard is bad. It is possible the digitizer screen they put in is semi bad. They aren't genuine apple digitizers in them when replaced unless you had it done at apple. If done at a store on the side of the street they buy the china knockoff digitizer screens for $12 and charge the public $75 to $125 depending if it's the 4 or 5. I'd bring it back to them first and see if the digitizer they put in is a china knockoff that went bad.