First of all Download USB OTG support checker app from play store.

Now you have to Check, if your smartphone supports OTG or not.

Open the app. Now you will see an option Check USB OTG support.

Now the Process will start and you will get a message ”Checking”.

After sometime you will get A notification saying ”Your device supports OTG support”.

Now when you have confirmed that your android mobile support OTG then you can proceed further.