Official iPhone 3G / 3GS Battery Replacement Video & Instructions - iCracked.com - YouTube
Original Antirr Replacement Battery For Apple iPhone 3GS 8gb 16gb 32gb 616 0431 616 0433 616 0435 616 0436 MC137LL 3790233|Digital Batteries| - AliExpress
iPhone 3GS Battery
Original Battery replacement for iPhone 3GS
iPhone 3GS Battery Replacement | Eli Duke | Flickr
How to Enable the Battery Percentage on iPhone 3GS « iOS & iPhone :: Gadget Hacks
I was planning to use my old iPhone 3GS for weekend project but I discovered that the screen was popped out and the back was bulging, I took it apart and this