Learn how to Check data balance, data plans and validity of your Jio number by accessing MyJio App. Find step by step instructions here. You can check your plan details using both the MyJio app and Jio .com. Given below are the steps: Using the MyJio app: Log in to the MyJio app Tap on the Mobile or Fiber icons on the homepage. Tap on 'View plan' option If you are a Prepaid customer, you can view your active plans with your balance details and validity as well as your upcoming plan details. If you are a Postpaid customer, you can view details of your plan and bill cycle. Using Jio .com: Log in with OTP Click on 'View plan' If ... Wondering how to check Jio balance? Here are a few simple steps for using Jio balance check number and other methods to check balance.