This is method is for laptops and desktops.
If you’ve look behind or under—depending on model—of your router, you might’ve noticed several holes called “ports”.
By connecting an ethernet cable to the router, your wi-fi connection will change to LAN network connection. Sure, you are sacrificing the convenience of a wireless connection, but the speed difference between a LAN and a wireless connection is incomparable.
The best way to go at this is to see what you are using the internet for. If you’re just surfing the web and looking up information, the wi-fi might suffice.
On the other hand, if you are downloading large files or playing an online game where network latency is the difference between winning and losing, there’s no argument that an ethernet cable is imperative.