They were also helpful in letting you know about the data usage and prepaid balance and accessing a whole lot of carrier-specific information. In the past, USSD codes were used to start/stop specific value-added services. This also means that you almost always need to be connected to your carrier for USSD codes to work.

USSD stands for Unstructured Supplementary Service Data, and these codes are typically used to communicate between your smartphone and your mobile network operator. So if your phone doesn't respond to a code, don't dwell on it, just move on and find another one.

It's important to note that some codes are carrier-specific, so they won't work on all devices. The code entry procedure is very simple and only requires you to bring up your dialer keypad and enter the appropriate number sequence. These codes are updated regularly as new versions of Android software are released, and some manufacturers have their own additional special codes. Both USSD and MMI codes usually begin with an asterisk or a pound symbol/hashtag. While the average user might not even need to know the difference between these two, it is always good to know what the differences are. Generic Secret Codes for Android devicesĪll it takes to use these codes is typing them into the dialer.Affiliate offer Google Pixel 7 To device database

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