@Nikosp4 Hi, When MR6400 with DHCP off, and the WAN port is connected to the main router, MR6400 could still assign IP addresses, which is something unexpected. And I think when MR6400 is used as an...

@Abdol Hi, As for manually switching the operator, you could refer to the following suggestions: Leave the network search as auto and choose the desired ISP profile and if there Is no default one for...

@Joshude Hi, MR600 V2 does not support IPsec VPN and V1 does. It has been planned to add IPsec VPN on V2 and there is no beta firmware available yet.

@dsirivat May I know why do you want to update the firmware(190307), looking for the band selection feature or something else?

@mr6400_user Sending it for repair sounds like a good choice if there is such a service center available in your area. As for replacing the module, I am afraid that there is no further instruction...

@vk3hjq Hi, your point is absolutely right!