All six of us in my family got our iPhone batteries replaced by Apple at the same time and our batteries felt like new for about two months after we got them and then they went to crap. My brother’s battery actually expanded within the first month and caused the screen on his iPhone 7 to pop out of the phone’s frame. “Yeah, that’s happens sometimes,” said the Apple Store tech... They were just as bad as the old batteries we had replaced after a couple months of use. In contrast, I got my iPhone 5 battery once replaced at a random hole in the wall battery store and that battery was solid until the day I sold it. I, for one, question the quality of the replacement batteries that Apple installs into their iPhones. Based on my own experience and that of my family members, it seems like the replacement batteries they use don’t match the quality of the ones that are originally installed.
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