My iPhone 14 Pro Max has 91% battery health. Before updating, I could easily get around 6–8 hours of battery life, but after updating to iOS 27.0.1, the battery drains insanely fast.
The weird part is that the phone’s performance is perfectly fine. No lag, no stuttering, everything runs smoothly. The only problem is the battery consumption and overheating.
For example, I use Google Maps for my commute from home to work at around 8 AM, and by around 10 AM, my battery is almost dead. The phone also gets extremely hot, even though the system itself is still running smoothly.
On iOS 27.0, I had absolutely no issues. This started only after updating to 27.0.1.
Things I’ve already tried:
Factory reset
Erased all content and settings
Nothing has worked so far.
Is anyone else experiencing this on an iPhone 14 Pro Max running iOS 27.0.1? The phone isn’t lagging at all, but the battery drain is CRAZY, and the overheating makes it even worse.
Is this an iOS 27.0.1 bug, or is something wrong with my device? Has anyone found a fix? 😭