https://devzone.nordicsemi.com/f/nordic-q-a/19825/nrf-connect-indicate-subscribeWhen I connect to my firmware after cycling Bluetooth on iOS, I am able to subscribe to my Characteristic Indications without any issues. The nRF connect app receives all my my value indications. After disconnecting, subscribing a second time doesnen-USTelligent Community 13Mon, 20 Feb 2017 14:21:42 GMThttps://devzone.nordicsemi.com/thread/77111?ContentTypeID=1Mon, 20 Feb 2017 14:21:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:23e96244-cbb2-4ea0-b2de-ea4dd0f15509Hung Bui<p>@Jackson: On the second time when you connect you click the Subscribe button (three arrows icon) but the write command was sent ? Could you try with other app ? such as the LightBlue app ?</p> <p>Do you have trouble when you test with nRFToolbox (with HRS profile for example) ?</p><div style="clear:both;"></div>