@loudawg Hi, are all the issue occurring after you upgrade the router firmware, and no other changes in the network? And the iPhone 12 Pro and the printer are working properly now after you made the...

@trancemeister75 Hello, kindly refer to this article to troubleshoot the issue first, then tell us the result: What can I do if my PC is not working when it’s connected to the Unmanaged Switch by...

@chrispa Definitely sure. Please update here once the issue is fixed, thank you.

@myag What is the current firmware version of the MR200? If you want to choose the band manually, you can upgrade to this beta firmware: Manual Band Selection for 4G WiFi Routers

@Wetterhahn Hi, to locate this issue and try to fix it, we would like to follow up on your case via email. Please check your inbox and provide the information that we need.

@Nwar Regarding the error message, have you checked if you are connected to the guest network? Try to disconnect from the network and reconnect, ensure there are no Parental Control settings for the...