Recent content by Corellon

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    Dahua IPC unbricking / recovery over serial UART and TFTP

    @mastec if you open the .bin7 file with 7zip you should be able to extract it's contents and inside there should be the .img files you need (there are many) do you also have the SFTP setup to be able to upload the files? @nikos1671 try seeing if uboot has a "help" variation activated, your...
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    Dahua IPC EASY unbricking / recovery over TFTP

    If you go up in firmware then the GUI is the safe way, it should check if it's compatible or not. I'm not sure of the exact model of camera but if there are many versions of the firmware in between maybe skip 5 at a time before getting to the latest, I see no reason not to use the latest but...
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    Dahua IPC EASY unbricking / recovery over TFTP

    Can you access it from the GUI at 192.168.1.108? Success.txt means that it worked, if it's still not accessible then something else might have gone on as I also am not sure why the "Read Request, File: failed.txt" exists if it succeeded? Would suggest to ensure you shut down the TFTP as soon...
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    Dahua IPC EASY unbricking / recovery over TFTP

    There are a few things I could suggest, Some firmware need the tftp line to be 0x0800000 or 0x02000000 instead of 0x82000000 depending on the size of the RAM on the device, I don't think it's an issue due to the upgrade failing after Web-X being served instead of the PD and DC. I suspect...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    If the TFTP server loads up then you may not have to change the uboot, BUT you may have to do some work to reset all the enviroment variables to match the correct settings for the correct model. You may also not have the right tools if the HX5XXX uses different memory or flash then the HX5X3X...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    It's been encountered before that at some point Dahua ran out of space on some of the partitions and realigned the partition boundaries. During a web upgrade it upgrades and aligns properly but during a TFTP flash it doesn't update the partition pointers so it actually overwrites portions...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    I recall there being a thread that talks about using an external programmer but I don't have a link to it handy, it was something I came across while researching my own problem, It's not a very convenient process and requires getting the write programmer for the right type of chip on your...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    Based on the other thread you should be able to do a TFTP recovery by installing the firmware again over TFTP, but you can also try using telnet since that seems to be open to you, with telnet you need to add "7ujMko0" (without the quotes) before the password you used example: Web login...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    Are you able to setup a scenario where you have a TFTP server running on a machine with 192.168.254.254 netmask /24 or 255.255.255.0 and a gateway at 192.168.1.1 netmask /24 or 255.255.255.0. Preferably it's a windows machine and you can just use the tftp server and console.bat files from the...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    By console I mean the console (Ncat) that is included in the TFTP (Click the link or check page one of this thread) package on this site, it reads the output from from the camera over the network during the tftp and displays the results. It also has the batch file needed to generate the proper...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    If it is responding to the network, I would suggest going the TFTP route, the arp for 192.168.1.1 is indicative of it looking for the gateway to contact 192.168.254.254. You can run most of the serial commands though the TFTP load file and view the output in the console, and while it doesn't...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    The only suggestion I can think of at this point would be to see if you can get kermit or another file server running on the host computer and see if when the camera boots it tries to initiate a binary transfer over serial. There is a slight chance it will either pull or accept a boot image...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    If you can let us know what commands you tried it might help in letting us troubleshoot if your still interested, the whole NAND doesn't seem wiped since the minboot is there, but the uboot partition seems to be. What did you try between the last time you rebooted the camera and when it...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    Ubiquiti i would recommend.... Reolink..... eh not really Dahau did remove the need for plugins for the browser, and I personally find the firmware easy to find and the new versions have a build in update checker on the camera's interface (it's still a little hit or miss but does work) Sorry...
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    Dahua IPC unbricking / recovery over serial UART and TFTP

    Did you flash the boot loader? That would indicate that the bootloader kernel does not match the required version, the good news is the serial works so likely u-boot-min is still intact to do an initial load, the bad news is that I'm not sure what and how to work with it, perhaps someone more...
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