https://devzone.nordicsemi.com/f/nordic-q-a/13711/about-multi-link-centralHi. I&#39;m using PCA10028, SDK10.0.0, S130 and &quot;ble_app_multilink_central&quot; for reference. Multi-connection function is OK. Whenever I connect to peripherals, I can see connected devices. And when I make it single connection, result is great, service_discoveren-USTelligent Community 13Tue, 10 May 2016 09:37:36 GMThttps://devzone.nordicsemi.com/thread/52395?ContentTypeID=1Tue, 10 May 2016 09:37:36 GMT137ad170-7792-4731-bb38-c0d22fbe4515:26ebf707-39f5-468b-b479-11a194e51b36run_ar<p>The service discovery module can only handle one service discovery procedure at the time. Please make sure you finish service discovery for the firs connection before starting service discovery on the next connection.</p><div style="clear:both;"></div>