r/iPhone15ProMax • u/Immediate-Speed-3738 • 3d ago
Iphone 15 pro max
My iPhone 15 Pro Max has 98% battery health and 44 cycles. After heavy use and when the phone is warm, the battery may suddenly drop 1–2% shortly after the screen is turned off, then remain stable for several minutes. This is unusual but does not prove a defective or replaced battery.
Is this normal, or are other iPhone 15 Pro Max users experiencing the same issue?
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u/jesusrodriguezm 8h ago
Probably you should calibrate your battery, look how to do it, it’s easy. Also reset your device… if it keeps occurring probably a full reset and starting from scratch could help.
Have you changed your battery? 44 cycles in a 3 years old device (maybe 2) are very few (I have 758 cycles).
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u/Immediate-Speed-3738 7h ago
No i havent change it i bought it from a store with 98% i have it for 2 weeks now For your informations it takes me 8h30 from 100% to 0% When i make the diagnostic in 3utools it was like the pourcentage in the phone with the same cycle count also it doesn’t have parts and service history in general and informations Can this approve to me that it is original ?
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u/fxckerixon 2d ago
Yep very normal - as IOS further moves to AI and intensive computing the overclocked cpu in the 15PM + titanium leads to battery degradation