This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.Dear technicians,
I have a 4G roter model TL-MR6400. It works well with Cellcard and Smart simcard in Cambodia but it has nothing to wor with Seatel simcard. Does it cause from ISP? Anyway I try to upgrade ISP but nowhere to download.
What can i do?
Thanks
Hi, based on the current description, it is more likely to be caused by ISP.
Could you please refer to this link and tell me which case is more like yours:
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