How to download iOS 5.1.1 software update from itunes without switch and plug to pc?
How to download it?
Apple Event: May 7th at 7 am PT
How to download it?
You need PC.
You can update your device wirelessly (available in ios 5 and later)
If not, you need a computer.
As part of the update and restore process, iTunes will (in order):
If you are attempting to update using a Mac or PC with which you normally sync
If you are attempting to update using a Mac or PC with which you do not normally sync
Additional Information
Notes:
How to download iOS 5.1.1 software update from itunes without switch and plug to pc?