-Recharge your iPad’s 3G data bundle exactly like your phone.
-Check your balance and monitor your data usage using familiar codes e.g. *141#.
-Access any USSD service code that is available to your phone on your iPad.
-Audio feedback based on the outcome of your service.
-Touch gesture support: swipe left across the information windows to cancel a session; or swipe the dial / response window to instantly clear any text you have already entered.
-Full Onscreen keyboard support: simply tap the dial / response window in order to reveal the built-in keyboard.
-emDial’s built in logic provides assistance for generating a valid USSD command. If it doesn't start with * followed by at least 3 digits and finally ending with #, you won’t be able to send.
*Download and install emDial. Connect to the Internet and dial #*#. Follow the menus to find out if your Network Service Provider supports emDial.