What is USSD?

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USSD stands for unstructured supplementary service data. It’s a mobile technology that’s more than 20 years old but is still being used on the most sophisticated phones today.

USSD is a type of MMI code. What differentiates USSD from the others is that, if you press SEND after you’ve pressed the hash key, the instruction is sent straight to your mobile network operator to execute.

The applications for the technology are nearly limitless, no wonder it remains popular in the developing, under-penetrated parts of the world.

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[laurenwilliams]

Excellent explanation. Really enjoyed this!

[webink]

This was very valuable, Thanks for the efforts!

[inf]

USSD-команды не выполняются в режимах LTE 4G, и выше. (К вашему сведению.)

[imsadiknow]

what if someone hack that tower and people dialing *xxx# will be hacked cause the phone wants to send a code to the tower and the tower
granted access the phone not just access but a number that contains virus that can collect info and sht