Wi-Fi Made Simple: A practical guide to fixing slow internet at home

Slow internet at home? Before you change your plan, your router or your provider, find out where the speed is being lost. Often the internet reaches your home fine and gets lost between the router and your phone.

Wi-Fi Made Simple is a short, plain-English guide for people who aren't network specialists. It follows the order in which it pays to test: diagnosis first, then the fixes that cost nothing, and only then what to buy, if you still need to.

What you'll learn

- How to run a speed test properly and tell a provider problem from a Wi-Fi problem.

- Why a 100 Mbps plan doesn't download 100 MB per second.

- How to restart your equipment in the right order, and why not to press reset.

- Where to put the router and how to angle its antennas.

- When to use 2.4 GHz or 5 GHz, and how to pick a channel.

- Region notes: 2.4 GHz channels in North America vs. Europe, 5 GHz radar (DFS) channels and where 6 GHz Wi-Fi is allowed.

- What's using up your bandwidth and how to organize your devices.

- Extender, mesh or cable: which one fits your case.

- Whether a Wi-Fi 6 or Wi-Fi 7 router is worth it for you.

- Basic security: passwords, WPA2/WPA3, WPS and a guest network.

- How to talk to your provider with data in hand, and where to escalate in the US, UK and EU.

Tools included

A one-page flowchart, a printable checklist, a call script and a glossary.

What it is not

No brand recommendations, no shopping links. No setting can make your internet faster than the plan you pay for, and some problems only your provider can fix; the guide helps you spot those cases. Technical facts were checked in October 2026 against regulators, the Wi-Fi Alliance and manufacturer documentation, listed in the book.

About the author

Henrique Fernandes dos Santos works with networks and has hands-on experience with fiber internet, ONT/OLT equipment and home routers.

Format: 47-page PDF (A5), for phone, computer or print.