https://e2e.ti.com/support/wireless-connectivity/bluetooth-group/bluetooth/f/bluetooth-forum/778751/cc2650-flashing-red-led-turned-on-everything-red…
https://e2e.ti.com/support/wireless-connectivity/bluetooth-group/bluetooth/f/bluetooth-forum/774056/cc2650-cc2650--ios---flashing-led-is-not-working-instead-of-that-buzzer-start-making-noise