Original Apple iPhone 4 battery (3.8V / 1420 mAh / APN: 616-0520) + 8 special tools to change the battery of your iPhone 4 / 4S and 5 + guide step-by-step illustrated for the user (Accessory) 5
Original Apple iPhone 4 battery (3.8V / 1420 mAh / APN: 616-0520) + 8 special tools to change the battery of your iPhone 4 / 4S and 5 + guide step-by-step illustrated for the user (Accessory)
the battery of my iPhone 4 was faulty and I was able to be replaced very easily. I still recommend doing so with a tutorial video on youtube rather than read the booklet which is rather abstract to explain but for a novice like me.