Among thousands of other things, iOS 14.5 includes a battery recalibration tool specifically for iPhone 11, 11 Pro, and 11 Pro Max devices. It turns out that on these devices, the error can cause ” Poor battery health rating Apple specifies that this anomaly is likely. Causes abnormal battery discharge or, in very rare cases, a decrease in its optimum performance capacity ».
This error is especially annoying: a battery that is too low can restrict the performance of the smartphone and an alert that recommends replacing the battery. Apple has published an explanatory support sheet on this phenomenon.
It can take about ten days to recalibrate the battery, Michael notes on his iPhone 11 Pro. On April 1, the mark Battery case The capacity of the machine is 84%. Today, it finally announced 89%, with “normal” recharge usage, that is, every night, with occasional recharging on daytime wireless support.
If our reader’s iPhone displays a message saying the battery health measurement failed, then a free component replacement can be arranged.
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