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Quick answer: Open the router admin page (usually 192.168.1.1 or 192.168.0.1), log in, and find Firmware Update under Administration, System or Management. Back up the configuration first, then click Check for update > Install and leave the router powered until it reboots on its own. Many recent routers also update from the manufacturer app in two taps.
Step 1 – Get into the admin page
Find the gateway address with ipconfig (Windows) or in WiFi details on your phone, and open it in a browser. Credentials are on the router label if you never changed them. Brand apps (TP-Link Tether, ASUS Router, Netgear Nighthawk, eero, Google Home) reach the same settings with less typing.
Our pick for this guide: TP-Link Archer AX55 WiFi 6 Router
If your router no longer receives firmware updates, replacing it is the real security fix.
Step 2 – Back up the configuration
In the same Administration or System area, use Backup / Save settings to download the config file. Updates rarely wipe settings, but when one does, restoring from the file takes a minute instead of an evening of re-entering WiFi names, reservations and forwarding rules.
Step 3 – Run the update, hands off
- Prefer the built-in online update button: it fetches the right file automatically.
- Manual route: download firmware for your exact model and hardware version (printed on the label) from the vendor site, then upload it on the firmware page.
- Do not unplug, do not close the page in a panic: the lights blinking oddly for several minutes is the process working.
Step 4 – Verify and automate
After the reboot, confirm the new version number on the status page and that WiFi and internet behave. Then find Automatic update (often under the same menu) and enable it with a night-time window. Set a reminder to check manually twice a year on models without auto-update.
If your router is out of updates
End-of-life routers are the ones botnets collect. If yours stopped getting firmware, replacement is a security decision, not a luxury: see our tested best WiFi 7 routers, budget WiFi 6 routers and modem-router combos. A new unit also fixes the disconnects covered in our packet loss guide.
Frequently asked questions
Is it safe to update router firmware?
Yes, with one rule: never cut power during the flash. The update takes five to ten minutes including the reboot, and interrupting it mid-write is the only realistic way an official update bricks a router. Use the official firmware for your exact model and hardware revision, and let the process finish undisturbed.
Why should I bother updating my router?
Three reasons: security patches close vulnerabilities that botnets actively scan for, stability fixes solve random disconnects and slow WiFi that people blame on their ISP, and updates occasionally add features like better band steering or WPA3. A router is a small always-on computer facing the internet: it needs patches like any other.
My router has no updates for years. What now?
A router that stopped receiving firmware is running with known, unpatched vulnerabilities and will not improve. If the last update is more than two or three years old, plan a replacement: modern units are faster, safer and update themselves automatically.
Back up the settings, click update, do not touch the power. Ten minutes twice a year, or one checkbox for automatic updates, keeps the most attacked device in your home patched.
