I am using this device.
Bus 002 Device 005: ID 12d1:1506 Huawei Technologies Co., Ltd. E398 LTE/UMTS/GSM Modem/Networkcard
But , i am unable to send and receive messages. And how do i use USSD Code? Modem works fine on 3g networks.
Only i am not able to check my usage via USSD Codes.
I have treid using Gammu
But it is not recognizing my modem.
GSM-USSD is an utility that enable you to send USSD codes via modem.
You need to configure it correctly. Here is thread that gives idea about configuration.
Read post #13 also
You can try with
sudo gsm-ussd *123#
orAccording to the post A execution command would be
Where *123# is your ussd command.