Error when updating ipod itunes 7
It might have happened to you that you're trying to restore your i Phone but no matter what you do, i Phone won't restore because an i Tunes error 21 or i Phone Error 21 keeps popping up!
It's like a whack-a-mole, you keep trying to restore, but that infernal i Phone Error 21 comes again.
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.
When syncing songs/pictures or something on i Phone/i Pad/i Pod touch with i Tunes, you may encounter this i Tunes sync error (-54) problem that stop you from transferring.
You May Like: i Tunes Won’t Sync After i OS 9/10 Update – How to Fix You may have tried many methods online to fix this i Tunes sync error, such as updating i Tunes to latest version and upgrading i Phone/i Pad to the newest i OS operating system.
To check your version of Apple’s operating system, just click on the Apple menu Please note that occasionally mac users experience problems updating their operating systems.
Most particularly, folks with older macs and macbooks may discover that their machines cannot install the latest mac OS updates.
Make sure that you are in fact running the latest i Tunes that is available for your machine.Backing up is critical to our digital lives and our device’s overall health.But then, quite suddenly and completely unexpectedly your computer shows a message, “Requires a newer version of i Tunes.’ What the heck? This is not a very common error, but we have seen few users requesting input on it. Many people report this issue after updating to the new i OS version on their devices.Hence, upgrade it to the newest version and then try to carry out your task. Next up, you have to enter the password which you use to sign into your computer. Then, you have to double click on the Hosts file to edit it. If you find any entries for “gs.apple.com”, then remove it and save the Hosts file. If there is no entry in the hosts file for “gs.apple.com” and you continue to encounter Error 3194, you need to disable the firewall or anti-virus software on your computer, They might be preventing i Tunes from connecting to Apple servers.
This may be due to a hardware error, or maybe there is a communication failure between your device and the servers.