https://devzone.nordicsemi.com/f/nordic-q-a/106595/hid-pair-and-connect-automaticallyHi, Our product need to be connected automatically when user&#39;s mobile phone is close to it,so I have integrated the HID example into our firmware.And also added the pass code. But sometimes the product can not be connected automatically,we need toen-USTelligent Community 13Wed, 13 Dec 2023 12:13:19 GMThttps://devzone.nordicsemi.com/thread/460133?ContentTypeID=1Wed, 13 Dec 2023 12:13:19 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3fc5437d-c727-4a18-b9ac-e3f0785b40f9Kenneth<p>Hello,</p> <p>I think&nbsp;some centrals&nbsp;may have a backoff implementation, so if they for instance see a peripheral that frequently connect&amp;disconnect, it will simply not auto-connect until user manually connect or auto-connect after a certain amount of time. So it may be a good idea to try to avoid connect&amp;disconnect too frequently.</p> <p>Kenneth</p><div style="clear:both;"></div>