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How can I update iOS 5.1.1 in my iPhone 4??
iPhone 4, iOS 5.1
How can I update iOS 5.1.1 in my iPhone 4??
iPhone 4, iOS 5.1
If you are currently running 5.1 like your profile says, go to Settings > General > Software Update. If you do not see this you need to connect to iTunes.
Through this method i can't update this software.......
error would arrive....
And it would help if you told us exactly what error "would arrive."
Update