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I can easily overheat an iPhone 14 Pro Max by taking pictures for half an hour. Even opening the camera app and leaving it unlocked the same time is enough to g

I can easily overheat an iPhone 14 Pro Max by taking pictures for half an hour. Even opening the camera app and leaving it unlocked the same time is enough to greatly overheat it. I don't know why the camera app is so power hungry, but I've replicated it with different two phones of the same model belonging to different people. It's very annoying if your use your iPhone to take pictures while traveling, because it will be drained by the afternoon, and it's something that didn't happen until the late iOS 16 versions. I haven't tried it in iOS 17 yet.

ProfessorLayton 3y ago
I'm not sure if this is common knowledge, but the phone is essentially taking pictures the entire time the camera app is open. Pressing the shutter button is merely selecting which photo to keep, and adding more post processing. This is done to minimize lag, which is important when trying to capture a moment, but uses a lot of power. My main gripe with this approach has been that this causes the camera app to be incredibly RAM hungry, and my Safari tabs/Apps will reload when switching back to them. My 15 Pro seems a little better thanks to the increased memory, but the issue is still there. Additionally, it's been relatively recently since iPhone captured at resolutions higher than 12MP, so that could explain why this phenomenon has gotten worse recently.