Hi,
I'm trying to unbrick a HDW4431C-A which is stuck in a bootloop after flashing DH_IPC-HX4XXX-Eos_Eng_P_Stream3_V2.420.0000.21.R.20160724.bin
I tried to use a serial connection in order to interrupt Uboot, but it seems like the '***' characters do not interrupt it.
I've previously used this method successfully on other Dahua equipment, so I know my PC setup/FTDI serial dongle is ok.
I see the Uboot text, so I know the serial line TX is connected ok. Does anyone know whether the RX line is working ok
and whether '***' should still work with this camera? Or did they perhaps disable this method in recent firmware builds ?
In case this method is no longer viable, does anyone know another way to prevent the bootloop and allow a firmware update ?
I tried the method of enabling telnet, but using the http URL to enable this won't work as I seem to loose connection with the camera really fast and the page ends up not loading completely. Even a ping only responds 3 times during the boot phase.
Perhaps using this special TFTP file upgrade_info_7db780a713a4.txt ?
Uboot version which is displayed upon booting is 2010-06.svn3089 (Jun 20 - 2016 - 12:33:38)