Hi, C5 has USB 2.0 port. That speed is normal.

Hi, Cannot disable physical reset button. Not on other tplink routers either.

Hi, Do you experience any security issue? There aren't any feedback like that regarding the router. Usually update will be released if there is any issue.

Hi, Can you access the server from LAN? Have you opened port for the sever? https://www.tp-link.com/en/faq-1797.html Make sure the internet IP address of Deco is not private, otherwise you need to...

One M5 needs to be connected to C9 through Ethernet, the other M5 could be wireless, and all M5 will act like a mesh system. If you have a modem, just use M5 as router. It can provide pretty good...

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