https://devzone.nordicsemi.com/f/nordic-q-a/58025/pairing-nrf52840-dk-with-phoneHi all, I have 3 nRF52840 Bluetooth tags and I have used Segger Embedded Studio for programming the nRF52840 for the proximity application. Once I have programmed all the tags and connected to the phone using nRF connect and then in Proximity applicationen-USTelligent Community 13Thu, 20 Feb 2020 11:07:24 GMThttps://devzone.nordicsemi.com/thread/235411?ContentTypeID=1Thu, 20 Feb 2020 11:07:24 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9674bb36-6e78-4932-ac85-dd53a6b96acfSusheel Nuguru<p>Peer manager uses the free space available in the&nbsp;<span>FDS_VIRTUAL_PAGES&nbsp;setting. If you have set this low and if your application is saving some other data that is filling up this space, then there is little space to save the new bond data. Check if it is the case.</span></p> <p><span>Also it would be nice to see on a sniffer trace to see if there are any hints in there to analyze if this is anything else apart from the flash space. Start your program in debug mode and see what happens when it gets the bonding request.</span></p><div style="clear:both;"></div>