DashCommand Download Link: DashCommand (OBD ELM App) - Google Play 

Step1:
Open your phone's Bluetooth Settings, search for and tap "vLinker FD-Android".





Step2:
A request pairing prompt will be generated when pairing, enter the pairing code "1234" and click "OK".





Step3:
Successfully paired to the Bluetooth device "vLinker FD-Android".





Step4:
Open the app and click on:"SETTINGS".





Step5:
Click on:"OBD-II interface type".





Step6:
Select the OBD-II Input Type "ELM".





Step7:
Click on:"OBD-II dataport".





Step8:
Click on:"Bluetooth Device".





Step9:
Choose the Bluetooth device "vLinker FD-Android".





Step10:
Return to the home page after setting the correct connection method.





Step11:
Click on:"NOT CONNECTED".





Step12:
Connected successfully.