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iPhone 15 Pro Max battery drain after upgrading to iOS 17.1.1

Yesterday I upgraded my iPhone 15 Pro Max to iOS 17.1.1, charged it to 80% went to sleep at 12:00 a.m. and when I woke up at 8:00 a.m. it had 28%, charged it again to 70% used it a very few times and 4 hours later it has 34%, the battery is draining very quickly, I have 2 weeks with this iPhone, previously I had an iPhone 11 and battery lasted longer, why am I having this issue? Can someone help me, please? Battery maximum capacity is at 100%

Posted on Nov 10, 2023 12:17 PM

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iPhone 15 Pro Max battery drain after upgrading to iOS 17.1.1

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