Sadly one you update to the latest iOS version, there is not way to downgrade or restore to an earlier version without using intricate hacks.
Restore the system to a previous restore point. Re-instasll the operating system. Send it to a computer expert for help.
system restore
Yes, when you perform a system restore it can bring back a previous virus, if that virus was saved in the system restore point.
Operating system CD
You have not indicated WHAT you want to "Restore": operating system? router?
It allows you to restore your computer to a previous state incase of a system problem.
System Restore.
No, iPhone uses iOS as its operating system.
System Restore
Restore your system using system restore to a previous date when your system worked perfectly or restore registry settings.
No it wont. The point of System Restore is to restore your system to a workable state without you having to reinstall the operating system and lose your data files in the process.
Select the date on which the restore was created Use the System Restore wi