Sim card credit balance check

I’m trying to figure out how to execute USSD codes on Teltonika GPS devices. My goal is to check my SIM card balance using these codes. Has anyone had any experience with this?

Hello @daniyal471

The device can only recognize the commands which is built within firmware,
So any command that is not integrated into the firmware will not be executed.

Kindly check the list of commands from link FMB SMS/GPRS Commands - Wiki Knowledge Base | Teltonika GPS

Regards
Maryam

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