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Continue to ChatUpgrading the iPhone 3GS to iOS 6.1 while preserving baseband using Jailbreak; a Flowchart https://www.techtangerine.com/2013/02/13/ios6/
Upgrading the iPhone 3GS to iOS 6.1 while preserving baseband using Jailbreak; a Flowchart https://www.techtangerine.com/2013/02/13/ios6/