About 535,000 results
iPhone 4 - Wikipedia
iPhone 4s - Wikipedia
Apple iPhone 4 - Full phone specifications - GSMArena.com
iPhone 4S - Technical Specifications - Apple Support
Identify your iPhone model - Apple Support
iPhone 4S - The Apple Wiki
Compare Apple iPhone 4 vs. Apple iPhone 4s - GSMArena.com
iPhone 4S (2011) review - Macworld
Apple iPhone 4s specs - PhoneArena
Apple Launches iPhone 4S, iOS 5 & iCloud