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Documentation
iPhone 4
Year introduced: 2010
Tech Specs
Documents
iPhone 4 Finger Tips - Quick Start Guide
iPhone User Guide for iOS 4.2 and 4.3
iPhone User Guide for iOS 5.1
iPhone User Guide for iOS 6.1
iPhone User Guide for iOS 7.1
iPhone 4 - Info (GSM Model)
iPhone 4 Info
iPhone 4s - Info