I tried to upgrade the firmware on my Dlink 645. After the upload of the new firmware now the modem just blinks, and I can't connect to reinstall the old firmware. I work from home and I'm without ...

Firmware is the software embedded in your router. Its firmware helps the router figure out how to carry on different tasks. To update it, you have to flash the updated software in the router. We’ll ...

David Lumb is a senior reporter covering mobile and gaming spaces. Over the last decade, he's reviewed phones for TechRadar as well as covered tech, gaming, and culture for Engadget, Popular Mechanics ...

Your phone or PC updates can wait, but not these devices.