OBD Fusion Download Link: App Store “OBD Fusion” (apple.com)
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.
Step8:
Connected successfully.