New lease on life or death sentence? iOS 7 on the iPhone 4 | Ars Technica
iPhone 4S Battery Life Problems Befuddle Apple Engineers, Owners | HuffPost Impact
Retro review: I bought an iPhone 4s and spent a day with it | Technology News,The Indian Express
Amazon.com: Replacement Battery for iPhone 4S - Compatible with A1387 CDMA & GSM Models : Cell Phones & Accessories
iPhone 4S: why has standby time dropped? | Technology | theguardian.com
iPhone 4 Battery Life (Real-World Tests): EveryiPhone.com
Battery Life - Apple iPhone 4S: Thoroughly Reviewed
iPhone 4S Review
The iPhone 4S and the iPhone 4 compared - The Washington Post
Complete Replacement Battery Kit for iPhone 4S + Extra Accessories – Cell Phone DIY
iPhone 6 Plus vs. 6 vs. 5s vs. 5 vs. 4S: Battery life compared
Battery Life of iPhone 4S Draining Too Fast? Try Calibrating the Battery | OSXDaily
iPhone 4S Battery Life (Real-World Tests): EveryiPhone.com
Comparing the iPhone 4S vs iPhone 4 vs iPhone 3Gs vs Galaxy S II | OSXDaily
iPhone 4S Battery Life
Maxboost iPhone 4S Battery Case/iPhone 4 Battery Case (1900mAH Fits All Versions of Apple iPhone 4 & 4S) - Detachable Battery Charger Case External Rechargeable Battery Pack Charging Power Case | Walmart Canada
Battery Life - Apple iPhone 4S: Thoroughly Reviewed
Apple Confirms Battery Life Problems Are iOS 5 Related | WIRED
The difference between iphone 4 and 4s
In depth review: Apple's iPhone 4S running iOS 5 | AppleInsider
iOS 7: How to improve your iPhone 4S and iPhone 5 battery life, and reduce lag - ExtremeTech
Looking inside an iPhone 4/4S battery | Rip It Apart - Jason's electronics blog-thingy
The iPhone 4S Battery Life Is Underwhelming Vs. iPhone 4
Looking inside an iPhone 4/4S battery | Rip It Apart - Jason's electronics blog-thingy
