@Owatrob That seems like a faulty power button switch. You may contact your local tech support for assistace on this.

@guyd2 According to router HW version, make sure that you're with the latest FW release for your device. You can set a static wireless channel for 2.4 GHz band (i.e. 1, 6 or 11) to check if there's...

@Raamim GX90 supports OneMesh for now, but it's planned to support EasyMesh - details. When that happens you'll be able to create a mesh network between two of those.

@Brickadoon Ther's a compatibility list for 4G dongles that VR400 can use, just select your country - here.

@PeterTselios Here's how to configure VR2800 in AP mode. This will guarantee that there's no double NAT introduced. As for the VR2800 guest network - better use only your main router one. I doubt...

@MadhuReddy The EX220-G2u is targeted for ISPs. These devices have a customized FW and they are not supported by TP-Link, If you use the FW you mentioned, you'll probably receive an error message....