> I receive the task to do, but now can not be upgraded separately ios5, and can only upgrade its high version 5.0.1, how to upgrade to ios5.0.1, Here are two ways to upgrade the firmware to ios5.0.1 , can be upgraded directly online through itunes, you can manually download the firmware and then ios5.0.1 itunes upgrade. tools / materials apple itunes phone driver ios5.0.1 phone firmware 4 steps / methods first, run itunes, connect equipment to the computer. is not installed itunes, please download and install: http://www.apple.com / itunes / download /, had itunes installed, and make sure itunes version 10.5.x: point here "to help - - on itunes "to see the itunes version.apple" > The second step, update the firmware: when itunes detects when a new version of firmware (now ios5.0.1), prompt box will pop up, point here to download and update, then itunes prompts.apple"> because the firmware file is large, download the update time will be longer, please patience to wait. upgrade process does not require us to do anything until the iphone automatically restart after the upgrade process is over. ios5.0.1 manually download the firmware, then upgrade to ios5.0.1 except through itunes to automatically download firmware through itunes, but also from the network Apple has been downloaded from a server to upload a good firmware, and then use itunes to manually upgrade the second step, run itunes, connect equipment to the computer. selected equipment, hold down the keyboard shift, while point here, "restore", then choose has set a good firmware ios5.0.1, upgrade. itunes software will automatically extract and automatically update, we only need the patience to wait for upgrades to the end.