https://devzone.nordicsemi.com/f/nordic-q-a/76590/changing-the-ble-security-lesc-legacy-passkey-during-run-timeI am attempting to change the passkey used in BLE Pairing/Bonding. In this case, I am using legacy pairing/bonding. My idea is to have the central provide the passkey to the peripheral at runtime, using an unencrypted BLE service. I would like theen-USTelligent Community 13Tue, 29 Jun 2021 11:07:05 GMThttps://devzone.nordicsemi.com/thread/317674?ContentTypeID=1Tue, 29 Jun 2021 11:07:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:1026b7ff-eb86-44c8-bdf1-b0deb735f080Susheel Nuguru[quote user=""]My idea is to have the central provide the passkey to the peripheral at runtime, using an unencrypted BLE service.[/quote] <p>I misunderstood your question when i first looked into your description very quickly, but reading your requirement again&nbsp;&nbsp;Static passkey is static in nature and should be set only at the device startup.&nbsp;</p><div style="clear:both;"></div>