Here are the steps to activate Jio international roaming through MyJio App:
Download the MyJio app and sign in to your account using your phone number
Click on the ‘IR’ option in the main menu, which you can access from the homepage of the application.
A pop-up will be displayed on the screen citing “our request for IR has been submitted successfully along with a Reference Number
Once the IR service has been enabled successfully, you will receive a notification on your mobile.