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Terence Eden’s Blog

USSD

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Old Nokia phone showing an area code.

USSD - it's a funny acronym. Unstructured Supplementary Service Data. You type a code into your phone's dialler. - the phone queries the network and displays some information for you. There are five types of USSD Command Activate - turn on the functionality: *USSD# Deactivate - turn off the functionality: #USSD# Register - set a particular condition: **USSD# Erase - delete any settings set by Register: ##USSD# Interrogate - check what it is doing: *#USSD# Universal USSD Codes I can't find…

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Android App - Vodafone UK USSD Commands

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This is a really geeky app! You know USSD? They're the codes you can type in to your phone to send messages back and forth to the networks.  You've probably seen something like *#147# to display the last caller. My second app presents a series of buttons which call the USSD commands - so you don't have to remember if it's the HLR or VLR which is queried by *#103#. Useful, I know.... You can download the app by scanning in this QR code. Android App - Vodafone UK USSD Commands The majority …

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