https://devzone.nordicsemi.com/f/nordic-q-a/127177/zephyr-central_gatt_write-sample-missing-bt_conn_unrefHello, I was learning about how the bt_conn references work, how to obtain them and free them, and where they are generated. I was looking at the central_gatt_write example and how it handles it refs and unrefs. In it i noticed that all bt_connen-USTelligent Community 13Thu, 26 Feb 2026 00:43:50 GMThttps://devzone.nordicsemi.com/thread/562099?ContentTypeID=1Thu, 26 Feb 2026 00:43:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:280e1421-f8d8-4d86-96af-86a184b5f8cbTheLittleFish<p>I found that&nbsp;Exercise 1 &ndash; Connecting to your smartphone from the dev academy agrees with my theory.&nbsp;The central_gatt_write seem to be an old example and the ones in the dev academy are more up to date.</p><div style="clear:both;"></div>