To check your data balance, you'll need to use a method specific to your network provider. Here are some popular options: Network Providers and Methods - *Jio* - *USSD Code*: Dial _111_1*3# to check your data balance. - *MyJio App*: Download the app, log in with your Jio number and OTP, and view your data balance on the dashboard. - *SMS*: Send "BAL" to 199 to receive a message with your data balance and plan expiry details. - *IVR*: Call 1991 from your Jio number, say "Data Balance," and you'll receive an SMS with your remaining data balance. - *Airtel* - *USSD Code*: Dial _123_10# for free 2G data balance or _123_11# for 3G data balance. - *Airtel Thanks App*: Download the app, register your number, and tap on the account to view your data balance. - *BSNL* - *USSD Code*: Dial *123# or _123_5# to check your data balance. - *BSNL Selfcare App*: Download the app, log in with your BSNL number and password, and view your data balance on the home screen. - *SMS*: Send "DATA BAL" to 53733 to receive a message with your data balance details. - *Vi (Vodafone Idea)* - *USSD Code*: Dial *199# and choose the relevant option to check your data balance. - *Vi App*: Download the app and view your data balance on the home screen ¹ ² ³.