Say you own an Amcrest IP4M-1041, a little pan-and-tilt camera, and you want to know if there’s newer firmware for it. You go to Amcrest’s site and find a file. Then you go to Dahua’s site, and EmpireTech’s, and a Polish distributor’s FTP server, and you find more files with completely different names. Which ones will actually install on your camera?
That question is why I built the Dahua Firmware Finder. It tracks about 9,500 firmware files from 51 sources, works out which devices each one is built for, and keeps a permanent copy of every file on the Internet Archive. This post covers how it does that, and the thing I learned along the way: a huge number of “different” cameras are the same hardware with a different sticker on it.
Continue reading One Firmware, Many Logos: How the Dahua Firmware Finder Works