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× Questions about G400/G410 Cards.

error while sending AT command for USSD

2 months 1 week ago #14262 by nick@IT
have been trying to check my credit in sim card by using the at commands but it has not been fruitful. I have been trying to solve this for a while now but nothing is working. Please, i need help.
Below is the list of command and their respective responses:

AT+CMGF=1

OK

AT+CSCS="GSM"

OK

AT+CUSD=1,"*101#",15 (To check credit)

OK

+CME ERROR: 264
2 months 1 week ago #14263 by Echo
Hi, sir

what device do you use? and what do you want to do for USSD?
2 months 1 week ago #14264 by nick@IT
Hello.
I am using a GSM modem. I just want to check my credit though the GSM.
2 months 1 week ago #14265 by Echo
Hi ,sir

Please confirm whether the operator supports ussd to inquire the credit, and attached you will find the manual of AT command.
and can you give me a photo of "SYSTEM-Information"?
Attachments:
2 months 1 week ago #14267 by nick@IT
The operator supports the ussd and i can hardly find anything helpful in the manual.
2 months 1 week ago - 2 months 1 week ago #14268 by Echo
Hi, sir

please try to send "*101#" in your mobile phone dial with same sim card to check.
and can you give me a photo of "SYSTEM-Information"?
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