USSD full form

The full form of USSD is "Unstructured Supplementary Service Data." USSD is a communication protocol used by mobile network operators to provide interactive communication services to mobile phone users. It allows users to access various services and perform actions by dialing specific codes on their mobile phones. USSD codes typically begin with a "*" (star) symbol and end with a "#" (hash) symbol, and they can be used for tasks such as checking account balance, recharging mobile credit, transferring funds, and accessing other mobile network services. USSD is commonly used for quick and real-time interactions between users and mobile network operators.