My iPhone wouldn’t take the SIM. I restored it on iOS 5.1.1 and it detected some errors when it turned on. Now it doesn’t turn on, it says I should connect to iTunes. What do I do?
List of steps:
***REMEMBER TO BACKUP AND TRANSFER PURCHASES FIRST***
Plug your iDevice into iTunes.
Click your iPhones name.
Scroll to the middle of the page.
There should be a 'update' and 'restore' button.
Let it download, verify, and install.
As per John Smith's instructions, adding :
1) Use a fresh sync cable, yours may be faulty.
2) If this fails, try again using DFU mode.
What is dfu?