3
votes
3answers
6k views

How can I restore the smooth surface of my iPhone?

The iPhone has a touchscreen with a slippery surface which is important as the user can slide his/her fingers easily. The touchscreen's surface of my one year old iPhone has become rough. How can I ...
1
vote
2answers
2k views

Is my iPhone 4 touchscreen malfunctioning?

My iPhone4 is weird. The bottom touchscreen can be slid (to unlock) but it's really hard to tap the app in the bottom area. It seem the bottom screen is not sensitive but I can slide to unlock. What's ...
2
votes
1answer
732 views

iPhone 4 - bad proximity sensor?

I think the proximity sensor in my iPhone 4 is out of order. Nearly every time when I use the phone to place/receive calls, suddenly the mic mutes itself, or the speakerphone turns on, or a call ...