WookieeMaster 0 Posted July 7, 2017 Hello I have a 4 channel owsoo dvr and I set the password and upon trying to login it just wouldn't. I would appreciate some help please either help resetting or firmware to reinstall it as I found it can be done with usb stick. The number on the board is MBH-6404-LS-M8-V1.2 Share this post Link to post Share on other sites