How to Update Router Firmware
Updating your router firmware can help improve connectivity and keep your router secure. It is always recommended to install the latest available updates to keep your network safe and efficient Most routers have a built-in update checker, which may or may not perform the entire process automatically. If you're using an Apple AirPort router, you can use the AirPort Utility program to check for updates.
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Check the physical router for the address. You can access your router by entering its IP address into your web browser.Most routers have this IP address printed on the sticker affixed to the bottom. If your router does not, or you don't have access to the physical router, follow these instructions to find it.