objective c - How can I get CoreLocation to resume ranging when the device is restarted? -

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i able monitoring , ranging work when backgrounded app. when restarted phone, i'm able diddeterminestate, ranging, , monitoring when lock screen on. when go home screen or phone screen off, corelocation functions (state change, ranging , monitoring) paused. how can make resume diddeterminestate, didrangebeacons, didmonitorbeacons when go home screen or phone screen off? because when entered app , backgrounded it, when phone screen off or lock screen on, i'm able corelocation updates. why restarting phone different?


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