https://devzone.nordicsemi.com/f/nordic-q-a/16840/my-beacons-are-invisibleI Programmed my beacon devices with this firmware: ble_app_beacon.zip the only app that can find my beacon on ios is nrf connect. in this firmware the uuid is this: #define APP_BEACON_UUID 0x01, 0x12, 0x23, 0x34, 0x45, 0x56, 0x67, 0x78, 0x89en-USTelligent Community 13Tue, 04 Oct 2016 08:27:39 GMThttps://devzone.nordicsemi.com/thread/64462?ContentTypeID=1Tue, 04 Oct 2016 08:27:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:aad2d13b-18a0-4306-9893-02bde21e106bSigurd<p>Starting from iOS8 Beacon API only supports beacons with Company Identifier set to 0x004C (Apple company Identifier).</p> <p>Try to set <code>#define APP_COMPANY_IDENTIFIER 0x004C</code></p><div style="clear:both;"></div>