@whito Hi, Occasionally I see other users might have the same problem when logging into the web UI. The default log-in access is http://tplinkmodem.net or 192.168.1.1, when you found it still unable...

@datvi03 Hi, Have you tried to reset the modem and test it again? Were you trying to update the firmware because the modem is bricked? Which firmware did you try to upload? And what is your current...

@lz120 Hi, this model does not support VOIP or VOLTE. You could have a look at TL-MR6500v: https://www.tp-link.com/en/home-networking/3g-4g-router/tl-mr6500v/

@CARMINATOR Hi, I see your hardware is V2 and if possible, you could also install the following firmware to have a look:...

@mgiugliano Hi, Thank you very much for your kind reply. Here is some information about DC power cord for your reference: Note: All the following information is only for reference and some models,...

@RongTuli Hi, what Terziyski said stands a point and there is no sign of supporting reboot schedule on TL-MR3420 V2. It is suggested that you could get a smart Wi-Fi plug and plug the modem to the...