The information in this article can help you when you're attempting to access an online feature on Nintendo Switch and the system receives the error code 2155-8007.
Create a new Internet connection. Set up a new Internet connection, ensuring that you are attempting to connect to the correct network, and that you are receiving a strong wireless signal from the network.
Power cycle your home network. Restarting your network devices may resolve this issue if it is related to the devices being unresponsive.
Manually enter an alternate DNS. If the DNS you are attempting to use is not working, entering an alternate DNS may resolve this issue.
Move the Nintendo Switch console closer to the wireless router. If possible, place the Nintendo Switch within 10 to 15 feet (3 to 5 meters) of the wireless router to improve the signal strength during troubleshooting.
It may be helpful to remove the Nintendo Switch console from the Nintendo Switch dock while troubleshooting, and then return the console when troubleshooting is complete.
Try connecting online using a different access point.
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