Car Scanner ELM327 OBD2 download link: App Store - Car Scanner ELM OBD2” (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:
Click the "Settings" button in the top right corner.
Step2:
Click on "Adapter OBDII ELM327".
Step3:
Select "Bluetooth LE(4.0+)" as the connection type.
Step4:
Click on "Device name"
Step5:
Select "vLinker FD-IOS".
Step6:
After selecting the correct device, return to the home page.
Step7:
Click on "CONNECT".
Step8:
Wait for the app to connect to the vehicle.
Step9:
Connection successful
Step10:
If the app communicates successfully with the car, you can open the function you want to select.