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 "Settings".
Step2: Click on :"Preferences".
Step3: Click on :"Communications".
Step4: Click on :"Type".
Step5: Select "Bluetool LE" as the connection type.
Step6: After selecting the correct type, return to the home page and click on "Connect".
Step7: Wait for the device to connect successfully.