WIRELESS ROUTER, INTERNET OF THINGS DEVICE AND SYSTEM FOR SUPPORTING CONNECTION TO WIRELESS ROUTER OF INTERNET OF THINGS DEVICE

An electronic device for supporting a connection to a wireless router of an internet of things (IoT) device is provided. The electronic device includes a transceiver, a communication interface, a processor, and a memory. The processor connects a first external device by using a first service set identifier (SSID), receives first information about the first external device from the first external device, transmits at least part of the first information and second information about the electronic device to a second external device, forwards connection information from the second external device, which includes a second SSID for wireless connection between the first external device and the electronic device, or receives a transmission request of the connection information from the second external device and transmits the connection information to the first external device, and wirelessly connects to the first external device by using the connection information.