All IP cameras (except for battery-powered cameras)
Please note that the firmwares available on Reolink website (https://reolink.com/firmware/) are for IP cameras with original hardware version.
If your camera is 5MP with the new hardware version--IPC_515, then it has the new firmware and upgrade is not needed.
Please don't input the firmware on website to your 5MP camera. Otherwise, you will get "firmware upgrade failed" or "format cannot be recognized" error.