https://devzone.nordicsemi.com/f/nordic-q-a/76624/repeated-pairing-of-ancs-service-fails-to-pop-up-allow-device-to-display-your-iphone-notificationsdear all: I use the latest sdk17 to test the ANCs sample on the 52840 DK。 The address of the example is: SDK_Path\examples\ble_peripheral\ble_app_ancs_c。after the IOS mobile terminal actively unbinds the device, it is unable to pair repeatedlyen-USTelligent Community 13Wed, 23 Jun 2021 01:23:16 GMThttps://devzone.nordicsemi.com/thread/316574?ContentTypeID=1Wed, 23 Jun 2021 01:23:16 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cf8146b0-8bc5-4e65-adcc-38217161fe18Jinl<div class="trans-left"> <div class="trans-input-wrap"> <div class="input-wrap" dir="ltr"> <div class="textarea-wrap without-textarea-bg"> <div class="textarea-bg-text" id="textarea-bg-text">Thank you for solving the problem perfectly according to your method.</div> </div> </div> </div> </div><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/316501?ContentTypeID=1Tue, 22 Jun 2021 13:27:23 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2424d28f-de7f-4dfd-9cb8-201328b72779Einar Thorsrud<p>Hi,</p> <p>You can fix this by always doing service discovery while connecting again to an allready bonded pair. A simple way to do it is demonstrated by this diff (which includes your changes to the example as well):</p> <p><a href="https://devzone.nordicsemi.com/cfs-file/__key/communityserver-discussions-components-files/4/7824.main.c.diff">devzone.nordicsemi.com/.../7824.main.c.diff</a></p><div style="clear:both;"></div>