USSD Posts on XDA

Android Hidden Codes: All the custom Dialer Codes and What they do!

The Android operating system is well known for its hidden features and easter eggs. One such area is using custom dialer codes to access various hidden apps and settings. Some of these codes are universal, which means you'll get the desired output on any Android device, irrespective of them being a great flagship or a...

Android Oreo Allows Apps to Read USSD Messages from Carriers

The USSD is a protocol for sending data through GSM, similar to SMS. It's most commonly used for callback services, checking data/minutes, interactive news, ringtone selling, and even payment methods. It's a bare-bones service that's available universally in smartphones and feature phones alike, and its reliability is the main reason why USSD hasn't changed one...