https://devzone.nordicsemi.com/f/nordic-q-a/73964/connection-with-and-without-bondsHello! Im trying to change my application. Right now everything works with bonding. DFU and reading and writing characteristics. We have noticed a lot of clients unpair the devices on their phones causing issues when we try to connect getting the followingen-USTelligent Community 13Thu, 15 Apr 2021 13:11:57 GMThttps://devzone.nordicsemi.com/thread/305115?ContentTypeID=1Thu, 15 Apr 2021 13:11:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:fa0d0424-ffe0-4844-a66c-11afb39d3f27Mttrinh<p>Hi,</p> <p>This is probably because the bonding information is still stored on the peripheral. You should be able to fix this by either&nbsp;<span>erase all bonds on the peripheral or allow repairing on the peripheral.</span></p> <p><span>Take a look at these two:</span></p> <p><span><a href="https://devzone.nordicsemi.com/f/nordic-q-a/60185/peer-manager-bonding-fails-with-error-code-133">https://devzone.nordicsemi.com/f/nordic-q-a/60185/peer-manager-bonding-fails-with-error-code-133</a></span></p> <p><span><a href="https://devzone.nordicsemi.com/f/nordic-q-a/52034/sdk-15-3-pairing-issue">https://devzone.nordicsemi.com/f/nordic-q-a/52034/sdk-15-3-pairing-issue</a></span></p> <p><span>Hope this helps.</span></p><div style="clear:both;"></div>