@Stevedolphin Hi, Please make sure that your phone is connected to the extender WIFI and then refresh the Tether APP. You can also reboot the range extender. If the issue persists, please also...

@Alit1975 Hi, Do you mean the power light is unstable? If it was working normally, you can first refer to this thread and check if it is your issue. RE220/RE200/RE190 Keeps Restarting Automatically

@Lisasow Hi, The first time you login and set up the range extender, it will ask you to create a login password. How to Set Up a TP-Link Range Extender (via web Browser) If you cannot remember it,...

@sock Hi, Thank you for the detailed information. You almost did all the troubleshooting steps. One more suggestion for you is that you can test the SIM card with your phone, enable a hotspot and...

@ypkdani Hi, Thank you for the information. When and where did you purchase the router? Did you get it from your ISP? Please also check the version of the router. You can send me a picture of the...

@juniel75 Hi, It seems that you want to setup VPN server for your router, and the remote device can connect to this router when connect to internet. You can refer to 12. 9. Set up a VPN Connection in...