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Hi, i just realize that, you can buy charging port with and whitout IC or some chips. Is there any reason for it or just price. Is it there some benefits transfer old IC to new charging port? Thank you There is link for exemple. https://www.aliexpress.com/item/10050031

Unless you are very experienced in micro soldering, buy the port with the IC board. As far as I know, Apple devices won’t mind taking aftermarket charging ports. Bottom line: you’ll save yourself quite a few headaches and a lot of money if you spend a little bit more and buy the charging port with the IC board.