@LinusB @its-me-ewu @lo1010101 Hi, may I know the current firmware version of your Archer MR600 V2? @LinusB for SIM card not detecting issue, please share with us the screenshot of Advanced->Status...

@Ludd Hi, beta firmware will not be pushed via online update, the issue will be fixed via next official firmware update. The issue mentioned in this thread only happens in AP mode, if your AX55...

@Jopzik Hi, what is the hardware and firmware version of your C6 router? Please connect the same computer to your ISP modem directly to see if there is similar issue. If the issue only exists on the...

@rsafria Hi, what is the current firmware version of your router? and are you using multicast via wifi? Please let us know your network topology as well.

@Mvelarasu Hi, please check if the client device is using private address/random MAC address, or VPN, if so, disable them and test again.

@Neilp1968 Hi, what is the model no., hardware and firmware version of your TP-Link router? Since you mentioned SIM card, I guess it is 3G/4G routers, you may troubleshoot by following this thread:...