Why is the internet slow when the Wi-Fi signal is working?

The Wi-Fi signal works well.

If you look at the Wi-Fi signal on your phone, it's about 3 spaces full.

When I try the Internet, it often disconnects or is quite slow, but why is this?

5373 2017-04-19 Gentleman

popular How do I recycle and recycle foil like cooking foil?

popular Is hair spray not allowed on the plane at all?

popular What are the side effects of oats?

popular Do oats also have side effects?

popular Can I listen to music with Bluetooth earphones on the plane?

Same Tag Is it possible to put glasses frames on the internet at the optician's

Same Tag What should I check if I have a router but I can't connect to the Internet?

Same Tag If I want to access the Internet, I see an error updating the Chrome version. What is it?

Same Tag Does KT Internet give a line restriction warning if I use a router?

Same Tag I bought Apeu Airfit Cushion on the Internet, can I get it returned?

Same Time Where should I upload the gif image?

Same Time Why is the internet slow when the Wi-Fi signal is working?

Same Time Has the method of setting the presidential election preferences changed?