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Backup firm nvr DS-7608N-E2

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raslittle

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hello, i bought a nvr DS-7608N-E2 /RTP on aliexpress.
I wish to know how make a backup of firmware before to try to upgrade it.
Present firmware is 3.3.4 Build150616, i can't find how activate telnet inside to do backup.
thx
 
alastairstevenson

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raslittle said:
i can't find how activate telnet inside to do backup.
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That is a sensible thing to want to do.
However:
In the 3.3.4 firmware, Hikvision annoyingly removed the ability to start telnet from the web GUI (although it was still available within the specific Busybox installed) and also used 'psh', the 'protect shell' such that only a limited set of not-very-useful commands were available. Even via the serial console connection.
So, not possible with the stock firmware I'm afraid.
 
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raslittle

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Thank for reply.
Is it possible to download this firmware anywhere? This 3.3.4 is it the latest firmware for this NVR (stable of course)?
 
alastairstevenson

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The Hikvision EU site holds that version plus many other older and newer versions - grab them while you can!
HIKVISION EUROPE

By the way - what does the /RTP mean on the end of the model number? I don't think I've come across that before?
 
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raslittle

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Could I use directly eu firmware via the GUI web or I need to use hiktools before to change header?
 
alastairstevenson

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It should be safe enough to try via the web GUI - it's more likely to reject something incompatible than forcing it via tftp and getting into a boot loop.
 
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raslittle

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What is the more stable version you will recommend me for my Chinese nvr? The last in multi language
 
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raslittle

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I update my nvr with 3.4.62 version, the device has failed to restart. My NVR now 15 beeps and reboot :(
Do you know procedure to unbrick this model DS-7608N-E2
I try with TFTP.exe but i'm lost
 
alastairstevenson

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You did well to get that fixed.
The '15 beeps' is probably the message on the serial console that says something like "!!! You device is illegal !!! !You must contact factory!!! !!! You bought device in China!!!" that occurs when a CN region NVR has non-CN firmware installed.
 
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