SIM Toolkit
The SIM Toolkit, accessible via
Advanced>Settings>SIM Toolkit
supports two functionalities,
USSD and SMS.
USSD
Unstructured Supplementary Service Data (USSD) is a protocol used by mobile phones to
communicate with their service provider’s computers. One of the most common uses is to query
the available balance.
Enter your USSD code under the
USSD Code
text field and click
Submit
.
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