NOTE: Just enable Bluetooth settings on your iOS device. DO NOT Need to connect Bluetooth Name on iOS device. Then connect the Bluetooth device name in the OBD app setting.
Step1: Open the app and click on "Connection".
Step2: Select "Bluetooth LE(4.0)" for the connection method.
Step3: Click on the button to the right of Bluetooth LE (4.0) to select the connected device.