https://devzone.nordicsemi.com/f/nordic-q-a/2967/s120-centrol-role-problemHi, I am very happy to find that S120 can be implemented to realize BLE central role. I start from the ble_app_multilink_central and ble_app_hrs_c --two experimental examples in nrf51_sdk_v5_2_0_39364 with softdevice S120_nrf51822_1.0.0_softdevice.hexen-USTelligent Community 13Thu, 10 Jul 2014 02:35:49 GMThttps://devzone.nordicsemi.com/thread/11254?ContentTypeID=1Thu, 10 Jul 2014 02:35:49 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0ca8f358-3bc9-4c28-a192-27febaacc161Winstone<p>you want to write nRFgo of version 1.17.0?there is no version 1.7.0 as i konwn</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/11253?ContentTypeID=1Wed, 02 Jul 2014 09:33:14 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8b41fabc-45eb-4b02-be55-d7039d3edf53DevineFelix<p>I know what&#39;s wrong with my program. S120 shall be written into flash with nRFgo of version 1.7.0.</p><div style="clear:both;"></div>