TL-MR6400 disconnected many times per day
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Hi everybody,
My Internet left many times per day on my TL-MR6400 v4, just bought....
When the problem happened, all lights of the modem are on.
I saw many users have same problem with different models of 4G modem. I saw answers given by tp-link staff.
So I create a manual apn profile, set manual dns servers on dhcp menu (8.8.8.8 and 8.8.4.4), check 4G connection with my phone but the problem is persistent.
Nothing appears in the system log, all steps indicate "pass" in diagnostic menu...
So I need to reboot the modem and it works again. So please help
status during problem...
System log during problem
diagnostic during problem
profile
dns
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Okay sure.
Any updates, please let us know.
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Some news since the firmware update.
Only 1 disconnection in 3 days ! I think that my provider unloads its 4G relay to release bandwidth.
So thanks you Kevin for your help
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You are very welcome, glad to hear that it works.
Any further problem, do not hesitate to contact us.
Good day.
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Since firmware upgrade, it's more stable !
Only 2 disconnections in 1 week 
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Wow, great news; it is more stable now.
Now you can enjoy the internet with the TP-Link device.
Good day.
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I have updated to the last firmware but nothing has appened.
Can you please send me the beta firmware for the V2 version?
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Hi, have you ever tried to create the network connection profile manually with the APN information?
Besides, there is no beta firmware for TL-MR6400 V2.
If it is still the same after you created the profile, you can contact the retailer or local tech support to verify whether the replacement is qualified.
Best regards.
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Kevin i have also same problem like chim, i have also same version and hardware.
Please send me beta firmware so i can make my internet stable.
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Has emailed you as mentioned on this thread. https://community.tp-link.com/en/home/forum/topic/179024
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I have a same problem.
Could you Email firmware to me ?
I bought this router in taiwan (Asia)
thanks a lot.
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