I am using an I phone 4 , my phone is running iOS 5 I want update and install but it's telling me that an error occurred whilst trying to update but it does not give me any other option except diismiss.
I suggest you turn off virus software on your computer and the firewall
Over the air updating of iOS needs iOS 5 or later
The following link explains how to update
This link explains how to update using itunes
This explains how to transfer purchases to your computer
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