Do I Need a New Router? 8 Signs It's Time

Quick answer

Replace the router when it can't keep up with your plan on a cable, drops regularly, or lacks basics — 5 GHz, current security, firmware updates. Age alone isn't the test; capability is. And if the wired speed already matches your plan, the fix for slow Wi-Fi is usually placement or a mesh, not a new box.

The 8 signs

  1. Wired speed falls short of your plan. Connect a computer by cable, run the speed test, and compare with the plan. If the number stays far below what the provider supplies, the router's own hardware is the bottleneck. (The flip side: if wired speed is fine, don't blame the router — fix the wireless.)
  2. There's no 5 GHz network — only one Wi-Fi name that's 2.4 GHz. That's a router from another era of speeds, channels and device counts.
  3. It needs restarts weekly. Occasional restarts are normal; a router that only behaves for days at a time is telling you something. See how to restart a router — and if restarts don't last, run the wired test in sign 1.
  4. Firmware updates have stopped. Manufacturers retire models; a router with no security patches left is worth replacing even if it "works".
  5. Dead rooms are a fact of life. If the signal dies one wall away and placement changes haven't helped, newer radios and a mesh system cover what an old single box can't.
  6. The smart-home era overwhelmed it. Routers are rated for a number of clients; thirty cameras, bulbs and speakers can overwhelm one built for five laptops. Symptoms: devices randomly offline, slow handoffs.
  7. Security is a generation behind. No WPA3 support and a WPS PIN you can't disable — or, worse, only WEP/WPA options — means it's time.
  8. Your plan outgrew it. A speed upgrade (especially past 1 Gbps) can outrun old ports and radios; check the router's rated speed against the new plan.

Two things to check before shopping

Is it the router or the modem? If the internet dies completely — not just Wi-Fi troubles — the modem vs router split tells you which box owns the fault, and which one to replace.

Is it rented? If the box is your provider's, faults are their support line's problem — and a swap may be free. Many people still buy their own router to escape rental fees and mediocre built-in Wi-Fi: ask for bridge mode on the provider box and run your own.

What to buy instead

  • Match the plan, not the marketing. A router rated comfortably above your plan speed is enough; anything more is headroom you pay for and never use. (Wi-Fi generation guidance: WiFi 6 vs WiFi 7.)
  • Mesh for homes, not muscle. For most families the problem is coverage, not peak speed — a two- or three-unit mesh beats one powerful router behind a sofa.
  • Keep the old one working if it's still healthy: many routers can become a wired access point or a guest network node.

After the swap, cable-test the new router once, then re-check your rooms with the Wi-Fi speed test — and if rooms still lag, the ten fixes in how to improve Wi-Fi speed apply to new routers too.

Test before you replace

Ten minutes of testing tells you whether a new router will actually help:

  1. Run the speed test on a computer plugged into the router with a cable.
  2. Run the Wi-Fi speed test next to the router, then in the rooms where things feel slow.
  3. Cable slow → the router's hardware or the line is the limit, and a new router (or a modem check) is worth it. Cable fast, nearby Wi-Fi fast, far rooms slow → coverage: a mesh point or better placement, not necessarily a new main router. Everything fast → keep your money.

Questions

How long do routers last?
There's no expiry date — capability is the test. When it can't deliver your plan, misses security updates or misbehaves weekly, it's done, whenever that arrives.
Will a new router make my internet faster?
It can stop the router wasting your plan's speed — it can't raise the line itself. Cable-test the current one first to see which side you're on.
Mesh or one strong router?
Coverage problems (dead rooms) want mesh; a single fast room near the router wants placement or one good router. More: mesh vs extender.
Should I replace my provider's gateway?
If it's faulty, no — that's their support line. If its Wi-Fi is the weak part, put it in bridge mode and add your own router.