https://devzone.nordicsemi.com/f/nordic-q-a/17556/sdk11-0-s130-dfu-could-not-connect-automaticallyI use s130 /center ble_hrs example , add 7 peripheral characters and add dfu,but when I want to update codes, I find it start dfu,start bootloader and connecting.... all the time . I scan and I can find dfutarge , Master Control could not conncect automaticallyen-USTelligent Community 13Mon, 07 Nov 2016 13:44:16 GMThttps://devzone.nordicsemi.com/thread/67503?ContentTypeID=1Mon, 07 Nov 2016 13:44:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f5c8c2a3-76b7-41c8-8ac3-23d6a99d3af6Hung Bui<p>Hi WYL,</p> <p>Could you describe the issue more clear ? Prefer by step by step with description.</p> <p>Are you testing with buttonless DFU ?</p> <p>Have you also tried with nRFToolbox instead of Master Control Panel ?</p><div style="clear:both;"></div>