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My iPhone8 shuts down when not connected to a power supply. This started when I got a message in "the "Battery" app that a performance management issue had been detected and a setting had been changed to prevent shutdowns.

My iPhone8 shuts down when not connected to a power supply. This started when I got a message in "the "Battery" app that a performance management issue had been detected and a setting had been changed to prevent shutdowns.

iPhone 8

Posted on Nov 3, 2022 12:01 PM

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My iPhone8 shuts down when not connected to a power supply. This started when I got a message in "the "Battery" app that a performance management issue had been detected and a setting had been changed to prevent shutdowns.

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