USSD is terminated by ISP on TL-MR6400
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My USSD code was terminated by the ISP on Viettel LTE network
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Hi, to assist you efficiently, I've forwarded your case to the TP-Link system engineers who will contact you with your registered email address later. Please pay attention to your email box for follow-up.
Once the issue is addressed or resolved, welcome to update this topic thread with your solution to help others who may encounter the same issue as you did~
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Hi, welcome to our community.
Did you comfirm with the ISP wether they are still supporting USSD? If not, it is suggested to confirm with them first.
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On my phone, I still use normal USSD codes without any problems
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Hi, to assist you efficiently, I've forwarded your case to the TP-Link system engineers who will contact you with your registered email address later. Please pay attention to your email box for follow-up.
Once the issue is addressed or resolved, welcome to update this topic thread with your solution to help others who may encounter the same issue as you did~
- Copy Link
- Report Inappropriate Content

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