https://devzone.nordicsemi.com/f/nordic-q-a/81937/making-nrf52840-discoverable-from-a-feature-phoneWe were thinking to use nrf52840 dongle for one of our key projects. We were able to integrate the dongle in our ecosystem with android app. But we have users of the product who doesn&#39;t use android/ios app. They use feature phones. So, we were thinkingen-USTelligent Community 13Mon, 22 Nov 2021 08:46:09 GMThttps://devzone.nordicsemi.com/thread/339967?ContentTypeID=1Mon, 22 Nov 2021 08:46:09 GMT137ad170-7792-4731-bb38-c0d22fbe4515:902c74bb-c70e-4edf-9658-0a151398592cEinar Thorsrud<p>Hi,</p> <p>None of the nRF devices have a Bluetooth BR/EDR (Classic) compatible radio, so it will not be possible to communicate with a phone that does not support BLE.</p><div style="clear:both;"></div>