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Editorial Team
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Asked: 2026-05-14T21:39:13+00:00

For normal situations, the didUpdateToLocation (of CLLocationManager) does not work any more when the

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For normal situations, the didUpdateToLocation (of CLLocationManager) does not work any more when the lock/sleep button is pushed, and your app cannot get further newLocation coordinates during the locked period.

However, some apps CAN track during the locked period, and they will show the correct route when you unlocked and see the Mapview. Obviously there are ways to get the coordinates during the locked period.

How to get the coordinates when the iPhone is locked/sleeping?

Who has hints and further info, please post. Thanks.

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1 Answer

  1. Editorial Team

    When the iPhone locked it (quickly but not instantly) enters a deep sleep which stops everything. In order to prevent deep sleep, there is a trick…

    Play a silent sound every 5 seconds. (Honest!) Set up a tiny silent wav (or whatever format) file and play it on a timer. The phone will never enter deep sleep and CLLocationManager will continue to function as expected.

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