Error when updating ipod itunes 7
It happens when you try to connect your i Pad or i Phone to a computer with i Tunes installed.While attempting to sync using the software on your laptop or PC, and then this annoying message come up.One of the biggest concerns you probably have while attempting your restore and trying to fix i Phone Error 21 is whether your data is safe.That is a legitimate concern as a lot of techniques out there might or most certainly will lead to data loss.Now before we get to the nitty-gritty's of how to fix i Tunes Error 21, I'm sure you must be won-dering what is i Tunes Error 21 (i Phone Error 21) to begin with, and why does it have this strange obsession with your phone!The most common reason for i Tunes Error 21 is that your i Tunes is trying to download the restore files (.ipsw) but is unfortunately being blocked from authentication.If you suspect you are in that category, check Apple Support’s website to see the specifications of Macs that can use the latest mac OS updates.Make sure that you are in fact running the latest i Tunes that is available for your machine.
Right click on the i Tunes icon and then select Force i Tunes. Click on Apple menu at the top right corner and then select Restart. Now, restart your computer, launch i Tunes and start your work again. Then, press Return when requested for the filename. This may be due to a hardware error, or maybe there is a communication failure between your device and the servers.However, fret not, we will show you how to fix that i Phone Error 21 easily and effec-tively and get back to leading your i Phone engrossed lives!Please check the version of mac OS or OS X that you are currently running.Although the message suggests you to upgrade your i Tunes, nine of out of ten times we find that users encounter this error because their operating system is not updated on their Mac or Macbook.