WiFi tips that actually fix slow internet
Fix slow WiFi, dead zones and buffering at home: router placement, channel choice, band steering, speed testing and hardware upgrades.
Everything here is written for a Malaysian household: double-storey terraces with concrete walls, high-rise units where the router sits next to a mirror, and 100–300 Mbps fibre plans that feel much slower than the number on the bill.
Work through them in order if you are troubleshooting right now: measure, place, channel, then hardware.
2.4GHz vs 5GHz vs 6GHz: which WiFi band should you use?
A plain comparison of the three WiFi bands: how far each reaches, how fast each is, and which devices should be on which band in a Malaysian home.
6 min read →SetupWhere to put your router: 7 rules that matter
Router placement changes your WiFi more than any setting. The physics of walls, mirrors and metal cabinets, plus where to put a router in a Malaysian terrace or condo.
6 min read →TroubleshootingGuest WiFi: why one extra device can slow your whole house
Your line was fine until someone new got the password. Here is why one extra device slows everyone down, and how a guest network fixes it in five minutes.
6 min read →TroubleshootingHow to test your internet speed properly
Most speed tests are done wrong. Test wired vs WiFi, at the right time, with the right server — and learn what download, upload, ping and jitter each tell you.
7 min read →Buying guideHow much internet speed do you actually need?
A household-by-household guide to picking a Malaysian fibre or 5G plan: the real bitrate of 4K, video calls and gaming, and why upload matters more than it used to.
7 min read →HardwareYour ISP router is not broken — it is just built to be enough
A router that needs a weekly restart, loses 5GHz in the back room, or drops WiFi while cable is fine is usually out of CPU, not broken. How to check in 10 minutes.
7 min read →HardwareMesh vs WiFi extender vs powerline: which fixes a dead zone?
Three ways to cover a house, with the speed each one really keeps. Why repeaters halve throughput, and when one Ethernet cable beats any of them.
7 min read →TroubleshootingYour old router is a free access point — use it
Before buying mesh, check the router in your cupboard. Wired in as an access point it can close a dead zone for free — if it passes three checks.
7 min read →Buying guideWhy more antennas don't mean better WiFi (what actually does)
Router boxes shout about antenna count. The real numbers are streams, band support and gain. Here is how to read a spec sheet in five minutes — and test what you own.
7 min read →TroubleshootingRouter in a cabinet? That is why the bedroom is dead
A closed or metal cabinet can cost more signal than any wall. A ten-minute walk test to prove it, the three worst spots in a Malaysian home, and the fix for each.
6 min read →TroubleshootingWhy video calls freeze while your speed test looks fine
Your download number looks fine but the call still stutters. Latency, jitter and upload speed decide call quality, and here is how to check each one.
7 min read →TroubleshootingWhy your WiFi is slow at night (and what actually fixes it)
Slow WiFi after 8pm is usually congestion, not a broken router. Here is how to prove which of the four causes it is, and the fix for each.
7 min read →HardwareWiFi 6 vs WiFi 7: do you actually need to upgrade?
WiFi 7 is faster on paper, but your phone and your broadband plan decide whether you feel any of it. A practical upgrade test for Malaysian homes.
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