BLE 5 compatible with smartphones having ble 4.0

BLE 5 compatible with smartphones having ble 4.0https://devzone.nordicsemi.com/f/nordic-q-a/22240/ble-5-compatible-with-smartphones-having-ble-4-0Hi, I want to develop a product with Bluetooth 5( NRF52840) capability, before starting development I wanted to know will the Bluetooth 5 devices(Peripheral) will be compatible with BLE 4.0 smartphone(central)? will the BLE 4.0 smartphone able to connecten-USTelligent Community 13Mon, 22 May 2017 12:16:50 GMTRE: BLE 5 compatible with smartphones having ble 4.0https://devzone.nordicsemi.com/thread/87372?ContentTypeID=1Mon, 22 May 2017 12:16:50 GMT137ad170-7792-4731-bb38-c0d22fbe4515:48e86f94-c0cf-4ea6-860b-b0d4c3084ea6endnode<p>Yes, BT SIG maintains backward compatibility. Indeed if you will use strictly new features from BT5 like long-range data rates then older devices won't understand you. But if you will use 1Mbps then basic concepts like GAP and GATT are interworking.</p><div style="clear:both;"></div>