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    Help with UART/TFTP flashing rebranded TVT DVR

    Just wanted to reach out and say thank you again. After having some more time to sit down with it I think I've learned more about linux in the past couple weeks than I have in 20 years of using it. Your comments on other threads here too were seriously very insightful as someone just starting...
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    Help with UART/TFTP flashing rebranded TVT DVR

    They came in a flash .rar and the instructions specifically said to unpack them and put them on the root of a usb. After that there is a separate .tar update that's supposed to be left packed and updated through the gui after first boot. I pulled the firmware from here: Support > Firmware AHD...
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    Help with UART/TFTP flashing rebranded TVT DVR

    Well I managed to fix it by adding "single init=/bin/sh" to the bootargs environmental variables to get a shell. Then I reset the root password with the passwd cmd and changed the permissions of /mnt/mtd/boot.sh with chmod to make it executable again. Not sure where or why this nasty little bug...
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    Help with UART/TFTP flashing rebranded TVT DVR

    I have an HA-9216 DVR which I believe is rebranded TVT that is hanging on boot. I've found firmware for it online that has 3 files krn3531a, rfs3531a, ubt3531a. The instructions say to place it at the root of a fat32 usb and turn the device on and this will flash the firmware, but that doesn't...
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