https://devzone.nordicsemi.com/f/nordic-q-a/85082/disconnecting-after-ringingHi everyone, I implement nrf5_SDK_17.0.2 ble_app_uart example and I use an android app like nRF_Connect to receive the uart data on my cell phone. The problem is that when my cell phone starts ringing I lose my connection and I have to reconnect toen-USTelligent Community 13Wed, 23 Feb 2022 13:57:05 GMThttps://devzone.nordicsemi.com/thread/354609?ContentTypeID=1Wed, 23 Feb 2022 13:57:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:da29ed3d-571d-41f5-864a-623ffdec886bKarl Ylvisaker<p>Hello,<br /><br />Does the phone&#39;s log, or the nRF device&#39;s log, say anything about why the connection was broken?<br />Did you make the phonecall using a bluetooth headset, so that the phone might have terminated the connection to your device because it was using the bluetooth adapter for the phonecall?<br /><br />If the logs does not show anything about the broken connection it would be useful if you could <a href="https://www.nordicsemi.com/Products/Development-tools/nRF-Sniffer-for-Bluetooth-LE">capture a sniffer trace of the communication when this scenario happens</a>. If the issue is with the phone&#39;s Bluetooth adapter you might have to go to a iOS / Android forum and ask, since there likely is little you can do about this from the peripherals side.<br /><br />Best regards,<br />Karl</p><div style="clear:both;"></div>