gasinmars 0 Posted July 27, 2014 hey guys , i already updated the dvr with a wrong frimware and now it stock at the logo of the dvr , i heard that it could be fixed by rs232 connection to the pc . i tried to solve it by putting flash files to the usb to recover the dvr but it didn't success . could anybody help me ? model number of the dvr is :TD-2304SS-SL-SUD Share this post Link to post Share on other sites