@Jene Hi, ISP Version 23021501 is newer than the latest 1.7.0 firmware, I guess you updated the ISP file version before and it will not be downgarded, thus stay on 23021501, which is normal.

@Bucefalo Hi, please connect the same USB modem with the same SIM card to your computer directly to see if it connects internet properly.

@DoHforC20 Hi， Archer C20 only supports the NoIP DDNS and DynDNS currently, I am afraid NextDNS cannot be used on it. We will record your feedback and report to related development team for...

@Bussiere Hi, EB810V is your OpenVPN Server, right? do you have Archer BE800 or not? Please let us know your network topology and which device/service you are trying to access via the VPN, like https...

@ZeeSee Hi, for Orange/Red Internet light on the router: 1. Unplug your router from the modem, connect your PC directly into the modem to verify the Internet status of your ISP. 2. Reboot the ISP...

@trucane Hi, did you try to reset the router to factory defaults by holding reset button until power LED flashing? If not, please have a try, then try to use the default wireless password to connect...