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abakker
on Dec 10, 2017
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If your iPhone is slow, try replacing the battery
So, does this not show up when the phone is plugged in? If the iPhone is plugged in, does it still throttle the CPU?
clishem
on Dec 10, 2017
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My grandmothers iPad 3 has become completely unusable because of throtteling, whether is is plugged in or not.
dannyw
on Dec 10, 2017
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iOS does not adjust battery-related throttling (whether low battery, low power mode, or battery wear) based on if it is charging.
Same as recent macs.
So yes.
abakker
on Dec 10, 2017
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Thanks - that is really interesting. So Apple designed the system in a way that definitely hides deteriorating performance due to throttling from the end user? Can you point to any documentation that validates this?
dannyw
on Dec 11, 2017
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Apple doesn’t officially document that, but see various support discussions:
https://discussions.apple.com/thread/4468165
gaadd33
on Dec 11, 2017
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Why do recent macs throttle based on battery? I don't think my iMac has a battery to replace?
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