Iphone 4s not power on & not charging | iphone 4s dead | Iphone 4s doesn't turn on & doesn't charge| - YouTube
10pcs Original DaDaXiong Battery For iPhone 4 4G 1420mAh Real Capacity Replacement Bateria - AliExpress
iPhone 4S teething problems: Yellowgate, poor battery performance, silly Siri stuff, Sprint, iCloud, Apple ID (and lots more) - 9to5Mac
Battery on iPhone 13 Pro doesn't charge past 44% since the IOS 16 update. Battery health is 100%. Never any problem with IOS 15. Anyone a clue? : r/iPhone13
iOS 4.1 Poses New Battery Drainage Problems, Users Suggest [Updated]
My DIY iPhone Battery Replacement Was Easy. Here's What I Did. - CNET
iPhone 4S Troubleshooting - iFixit
iPhone 4 Common Repair Problems - iCracked.com - YouTube