Testing the iPhone 4S' battery life - CNET
Apple iPhone 4S review: Apple iPhone 4S - CNET
iPhone News - Battery life comparision of iPhone 4S to 6 plus: Source: google | Facebook
Apple's iPhone XR has the best claimed battery life of any iPhone, ever | AppleInsider
Apple Contacts iPhone 4S Owners To Solve Battery Drain Problem | iPhone in Canada Blog
Apple iPhone 4S Battery Issues | eWEEK
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iOS 8 Vs iOS 7.1.2 [Battery Life Comparison] - TechGreatest
Apple iPhone 5s battery life test
iOS 14 - iOS 14.7.1 Battery Drain Issues: Tips to Improve iPhone Battery Life
Bad Battery Life & a Warm iPhone After iOS 7.0.6 Update? That's Easy to Fix | OSXDaily
Survey: iPhone 4S owners love Siri, and hate the short battery life - GeekWire
Battery Life of iPhone 4S Draining Too Fast? Try Calibrating the Battery | OSXDaily
iPhone 4 and 4S users reporting dramatically decreased battery life - The Verge
![Apple iPhone 4S battery test is complete, here go the results [TEST]](http://cdn.gsmarena.com/pics/11/11/iphone-4s-battery-life/gsmarena_001.jpg "Apple iPhone 4S battery test is complete, here go the results [TEST]")
Apple iPhone 4S battery test is complete, here go the results [TEST]
iPhone 4S - Wikipedia
Apple Working with iPhone 4S Owners to Address Battery Life Issues | MacRumors Forums
Apple concedes battery drain in iPhone 4S | Archive | tulsaworld.com
Battery Life of iPhone 4S Draining Too Fast? Try Calibrating the Battery | OSXDaily
iPhone 4S: why has standby time dropped? | Technology | theguardian.com
How to replace the iPhone 3G or 3GS battery | iMore
How to diagnose your iPhone 4S battery - Apple Community
Apple iPhone 4S Problems: Short battery life & other issues | T3
iPhone 4S Battery Issues | Shelly Palmer
