hi my brother recently gave me a iphone 5s which the screen was broke ... so i replaced screen phone turns on all the buttons work fine just the screen touch doesnt work !! and it says slide to upgrade on the front .... right ive red online that i got to manuely install ios to correct this problem ??? ive downloaded the ios firmware but when i connect to itunes its asking me to confirm on the phone in order for me to gain access to itunes which i cant as the touch screen doesnt work ??? is there anyway i can bypass all that in order to install ios on phone or is it no good ?? thanks