1
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2answers
574 views

Downgrading an iPhone 4 from iOS 6 to iOS 5.1.1 using iTunes with a restore.ipsw file

Can I downgrade an iPhone 4 from iOS 6 to iOS 5.1.1 using iTunes if I have a 5.1.1 restore.ipsw file? I have watched this video on YouTube and was wondering if that works for downgrade. I dont need to ...
1
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1answer
878 views

What is in an IPSW file?

I know that an IPSW is an iOS firmware restore file. When you want to install a beta firmware, Apple ships these. This website stores all old iOS versions in that format. What exactly is in an IPSW ...