https://devzone.nordicsemi.com/f/nordic-q-a/21971/link-loss-in-proximity-profile-nrf52832How to test Link loss in the proximity profile using Andriod phone. By using &#39;nRF connect&#39; andriod app,Here we can only write and read the Link loss Alert Level.By setting alert to high if i move far way till BLE disconnection Happens but link lossen-USTelligent Community 13Mon, 15 May 2017 12:04:45 GMThttps://devzone.nordicsemi.com/thread/86215?ContentTypeID=1Mon, 15 May 2017 12:04:45 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6731a8ce-cca8-444e-b8ec-84acc49edc74Hung Bui<p>You break the link by turn off the board, or bring it out of range like what you described.</p> <p>Then in the application you will receive a call back [onConnectionStateChange()](<a href="https://developer.android.com/reference/android/bluetooth/BluetoothGattCallback.html#onConnectionStateChange(android.bluetooth.BluetoothGatt">developer.android.com/.../BluetoothGattCallback.html</a>, int, int)) on BluetoothGatt, with the STATE_DISCONNECTED new state.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/86214?ContentTypeID=1Mon, 15 May 2017 03:51:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1a7bd1fb-02fd-4f49-b5ec-2cce39538c69MVR<p>Hi,Thank you.But how to break the link.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/86213?ContentTypeID=1Fri, 12 May 2017 10:22:29 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a498fb88-33f1-4285-beda-489feb3aebfeHung Bui<p>Hi MVR,</p> <p>Please test using nRF Toolbox app, there is a proximity profile for it. The app needs to react when the link is broken.</p><div style="clear:both;"></div>