@Raiden12345 Hi，what is your current firmware version? and who is the ISP? Besides, you mentioned that the same SIM card has no problem on mobile phone, may I know if you just insert it into the...

@Luke__w Thanks for the update, glad to hear that it helps!

@AD91 Hi, may I have the hardware and firmware version of your new Archer MR400? If you've tried all the suggestions but not working, please email support.forum@tp-link.com and provide the necessary...

@amitkray31 Hi, really sorry for the trouble caused. We've emailed you to follow up your case, hoping to have a change of debugging the issue on your router, please have a check and reply the email,...

@Micol Hi, you mean your laptop could still see and connect the 5GHz WiFi of your router but the extender cannot see it, right? Please check which 5G channel your router is using now, and try to...

@Nibin Hi，what is the model number, hardware version and LED status on your range extender? is the internet working on the extender now? Do you mean the username and password to login the web...