Hello@Ruebezahl_001 , Welcome to our community. According to Google Translate, your question is that you cannot use a 5G SIM card on the MR6400. If there is any discrepancy, please describe it in...

Hello@Scotti , Welcome to our community. Do you mean you have renamed the device? Please note that this is a name change for the Powerline unit, not the wireless network name (SSID). To change the...

Hello@Bro-s_Point01 , Welcome to our community. If the model of your router is Archer C20, please note that it is a wireless router. You can refer to Changing Channel and Channel Width on a TP-Link...

Hello@MarcoRossi , Welcome to our community. Is the model of your router Archer BE600? If all units are Archer BE600, you can try to create an EasyMesh Network: 1. Connect your router’s LAN port to...

Hello@Giannis_St &@woozle , For this case, I may need to collect some information as follows: Who is your ISP? What is the model of your routers? If you can, please collect the backup files of your...

Hello@Extnder3577, Welcome to our community. May I know what the model number of your device is? Please refer to How to find the model number of your TP-Link device If it is your first time to use...