- one iphone 6s and one iphone 7 - enabled whatsapp icloud backup with same apple id - two phones are active with a working sim card - iphone is in ios 10.3.1 and the most updated whatsapp (version 2.7.1) from apple app store steps to reproduce the issue: 1. download whatsapp through app store 2.. How to update whatsapp with new apple id [duplicate] the only ways to update whatsapp are deleting it (by holding the app and pressing the "x"-symbol) and download it again with your own apple id, or use the password that belongs to the old apple id. share | improve this answer. answered feb 11 '16 at 13:22. jules jules.. €
