Does iOS Automatically Reconnect to Disconnected BLE Devices, or Is It App-Driven?

App & System Services Core OS
Pavanse2689 OP
Created Nov ’24
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Does iOS Automatically Reconnect to Disconnected BLE Devices, or Is It App-Driven?

I have a few questions regarding BLE device reconnections in iOS:

  1. When a BLE device gets disconnected, does iOS automatically attempt to reconnect to it, or is it the app’s responsibility to handle the reconnection logic?

  2. If the app doesn’t initiate a BLE scan, will the OS still attempt to reconnect to previously paired devices, or is manual intervention by the app necessary?

  3. What is the recommended approach to re-establish a BLE connection when:

The app has been deleted. The BLE device remains connected in the iPhone's Bluetooth settings. The app is reinstalled later.

Any insights or best practices would be greatly appreciated!

Replies  1
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Pavanse2689 OP
3w

Hello Team,

can you please provide your inputs or apple reference document for review.

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Does iOS Automatically Reconnect to Disconnected BLE Devices, or Is It App-Driven?
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