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In my application i need to send data from watch to iOS device without any server communication or network how can it possible, is it possible with bluetooth? The iOS device and watches are not paired.

Dávid Pásztor
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Anju
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    For paired devices, the best solution is using the [WatchConnectivity framework](https://stackoverflow.com/questions/45489037/how-can-i-share-information-between-my-ios-and-watch-apps-using-watchconnectivit), however for unpaired devices that's not an option. You can try to use [CoreBluetooth](https://developer.apple.com/documentation/corebluetooth), which became available in watchOS 4. – Dávid Pásztor Jun 15 '20 at 10:41
  • Thank you for your answer. Is it possible to pair multiple watches to single iphone? Only to share the particular apps message. – Anju Jun 15 '20 at 11:36
  • Yes, several watches can be paired to a single phone, but each watch can only be paired to a single phone. Only the owners phone and watch should be paired together, so pairing a watch to someone else's phone just to share some messages is a bad idea. – Dávid Pásztor Jun 15 '20 at 11:40
  • You can check out the [CoreBluetooth in watchOS tutorial](https://www.raywenderlich.com/336-core-bluetooth-in-watchos-tutorial) by raywenderlich, which uses an iPhone as a BLE device, so it should suit your needs perfectly. – Dávid Pásztor Jun 15 '20 at 11:42
  • Thank you. I will check this out. I was looking for something like xender. – Anju Jun 15 '20 at 11:46

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