https://devzone.nordicsemi.com/f/nordic-q-a/18523/couldn-t-add-a-custom-characteristics-with-128-bit-uuidI&#39;m using nrf52832 and want to add a custom characteristics. But if I call the function below, the device stops advertising. Do you have any idea? static void add_characteristics(ble_os_t *p_our_service) uint32_t err_code = 0; // Variable toen-USTelligent Community 13Wed, 21 Dec 2016 09:54:48 GMThttps://devzone.nordicsemi.com/thread/71471?ContentTypeID=1Wed, 21 Dec 2016 09:54:48 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c8765aa7-7253-439d-a4ae-0850f621af15J&#248;rgen Holmefjord<p>When you say <em>&quot;device stops advertising&quot;</em>, do you mean that you try to add the characteristics while the device is advertising and it stops advertising after you add this, or do you add the characteristics before you start advertising, and then the device does not start advertising? Have you checked any error codes?</p><div style="clear:both;"></div>