TL-MR6400 doesnt connect to 4G / LTE

TL-MR6400 doesnt connect to 4G / LTE
TL-MR6400 doesnt connect to 4G / LTE
2017-03-30 00:32:59
Model :

Hardware Version :

Firmware Version :

ISP :

Hi,
my TL-MR6400 doesnt connect to network when i set Network Mode to 4G preferred.
It only works when i set it to 3G only.


Signal Strength is good, Sim Card is fine and works on 4G/LTE with my HP Notebook.

Firmware is now 1.0.9 Build 151125 Rel.66188n

I tried also
mr6400v1_en_1_0_9_up_boot(151125)_1017_1015
mr6400v1_en_1_0_8_up_boot(150906)_1016_1012

doesnt change anything :(

please help !
greetings
Wolfgang
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Re:TL-MR6400 doesnt connect to 4G / LTE
2019-11-09 00:44:45

@WoolF erorr

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