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I’m trying to order A repair/ replacement kit tools and battery for my I phone 7 plus. Your site states to use the number on the back. I looked it up and it is model A1661 , but it states on your site that this fits a Verison or Sprint ; BUT I originally bought from ATT. SO I looked up A1662 and it states it’s an ATT phone. Does it matter which battery to order ? Thanks, Byron

A1661 is a iPhone 7Plus. and A1662 is a iPhone SE first generation. Those two are not using the same battery. The iFixit battery compatible with A1661 Verizon/Sprint/ChinaA1784 AT&T/T-Mobile/GlobalA1785 JapanA1786 China Mobile will fit your 7Plus. iPhone 7 Plus Battery - iFixit Store would be the battery that your phone needs.