@LenF What is the network type of the SIM card? Please ensure that it is compatible with the MR6400. Try to change another SIM card and verify whether it can be detected. Besides, please login to the...

@khalid-khan What is the led status of the MR200 now? Please show us a screenshot of the status page of the web UI. Try to forget the network and reconnect to the TP-Link wifi and verify whether it...

Hi all, You can change the connection type to 3G only to test whether it works. Besides, in the past few days, we have been working on it and released a beta firmware for it. If the change of...

@LuckyEgg Hello, it is not a bug; instead, it is normal, it is caused by the video cache/cookies. Per you said, the parental control will take effect when a new Youtube video is started. It can be...

@Phuc What is the hardware version of the TL-MR6400? Please check the country version of this router as well, it is printed on the back panel of the actual device, next to the model number. Good day.

@Ro1974 Hello, below is the network type supported by Archer MR400 V3. Network Type 4G: FDD-LTE B1/B3/B7/B8/B20 (2100/1800/2600/900/800MHz) TDD-LTE B38/B39/B40/B41 (2600/1900/2300/2500MHz) 3G:...