User's Manual Part 1

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3.6.1 System Info
You can view the System Information and System log, and download/clear the System log.
3.6.2 USSD
USSD is a way to let subscribers finish some application on line, such as recharge SIM card.
Enter the USSD command you got from ISP or carrier, and press button “Send” to send this
request to ISP or carrier. In most cases, ISP/Carrier will return a message regarding to your USSD
command. The replied message will be showed at this page as well. Please note some replied
message is sent back via SMS, and this device can’t deal with any SMS message. If you don’t get
any response after sending the command, please call your ISP/carrier to confirm you request has
been accepted.