@sophiatendido Hi, May I know the model number of your ISP router? Have you set up any Access Control or DNS filter on the ISP router? If there is more than one Ethernet port on the ISP router,...

@Gerry10 Hi, please refer to the following suggestions: How to delete a network on the Deco app Best regards.

@muffinbubble Hi, welcome to the community. I think it is very likely your SIM carrier uses CG-NAT service and you might need to contact the SIM carrier to ask for a public IP address: CG-NAT Blocks...

@Shahab1234 Hi, welcome to the community. Did the APP time settings match the system time settings on the web UI(http://tplink.com), but not the actual time on the smartphone? What is the time...

@Groltrhin Hi, Welcome to the community. There is a workaround for your reference: On some Deco models, there is an ERP mode button on the web UI. It could temporarily disable the Wi-Fi on the Deco....

@BilalAlvi Hi, Thank you very much for your time and patience. Is your Deco X50 EU version? I have seen feedback that Samsung mobile phones could only connect to a 5GHz Wi-Fi band with a channel...