How to disconnect devices from my WiFi if there to many connected?

kdot 2015 Said:

"How to disconnect devices from my WiFi if there to many connected?: How to disconnect other devices from my WiFi"

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Change the WiFi Login Password:

Log in to your router using the Default Gateway in you Web browser. From there, see what devices are shown. If you were to change the password of the network, then all would be disconnected in an instant. It's the same reason why to change your eMail addresses' password every-so-often.

You'll have to refer to your Internet Router manual to figure out how to manually remove devices from your home network.

Otherwise, you'll have to go into each individual device and manually remove it from your network.

How to forget a Wi-Fi network on iPhone, iPad, or Mac - Apple Support