Yes, I understand that signed firmware does not allow any modding, so this technique should be used for restore/unbricking purposes only.
But what if bootloader fails ? I guess the only way to go would be in situ (re)programming, provided we previously made a full dump by CH341A ... correct ?
Hi alastairstevenson,
many thanks for your answer.
That's the same approach I followed to dump Dahua NVR, with the only difference NVR has telnet access so it was quite easy and fast with the help of tftp.
After starting tftp server on my pc and listing mtd partitions, it was something like...
Hi,
I've just bought a couple of Dahua IPC-HDW4631C-A from Chinese Market with hacked english firmware (those one you shouldn't upgrade, hard reset, etc.etc.).
I wonder how to make a full firmware dump/backup to use just in case something should go wrong and a debrick/restore is needed to go...
HiMacNCheese, many thanks for your feedback.
Yes, I know motion detection is buggy ...
Is your HFW4300s first series or V2 ?
P.S.
No, my nvr has no POE ports
Hi, I’m going to build a brand new videosurveillance system but I have a major constrain: I already own a Dahua NVR4208 (gift) and, as far as I have understood, I have to complete it with dahua ip cameras or I will run into compatibility problems.
My only requirement is about motion/intrusion...