How to speed up your WiFi: 12 fixes that work
Step one: is it WiFi or the line?
Run a speed test on a laptop plugged into the router with a cable, or standing right next to it. If that's close to your package speed, your broadband is fine and the issue is WiFi coverage.
12 fixes
- Move the router to a central, raised spot, not in a cupboard, behind the TV or on the floor.
- Keep it away from microwaves, cordless phone bases, fish tanks and mirrors.
- Restart it occasionally to clear glitches.
- Update firmware (most ISP routers do this automatically).
- Use 5GHz or 6GHz for nearby devices: faster but shorter range. 2.4GHz reaches further but is slower.
- Change channel if neighbours' networks clash (many routers do this automatically).
- Plug in TVs, consoles and desktops with an Ethernet cable.
- Try powerline adapters to carry a wired connection through your mains wiring.
- Add mesh WiFi in larger or multi-storey homes. See do I need mesh WiFi?
- Upgrade old devices: a laptop from 2015 may cap your speed.
- Limit background hogs such as cloud backups and game updates during busy hours.
- Ask for a newer router. WiFi 6 and WiFi 7 routers handle many devices much better.
When to upgrade your broadband
If wired speeds are low for your package, or the package itself is too slow for your household, see what speed you need and compare faster deals for your address.
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Frequently asked questions
Why is my WiFi slow but my broadband fast?
Walls, distance and interference weaken WiFi. Test next to the router; if it's fast there, improve coverage with better placement, cables or mesh WiFi.
Is 5GHz WiFi better than 2.4GHz?
5GHz is faster but has shorter range. 2.4GHz reaches further through walls but is slower and more crowded.
Do WiFi boosters work?
They can help in one area but often halve speeds. Mesh systems usually perform better across a whole home.