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Re: r7800 with DomaOS A7Legit V2.3.2.22

Yammpty
Tutor

r7800 with DomaOS A7Legit V2.3.2.22

Hi, how do I put netgear official firmware back on my Knighhawk X4S R7800 that has DumaOS A7 V2.3.2.22 firmware on, it wont tftp back to netgear early versions. Novice needs HELP!

Message 1 of 18

Accepted Solutions
plemans
Guru

Re: r7800 with DomaOS A7Legit V2.3.2.22

well you might have a beta unit that is locked because its a beta. Like I said, I've only ever since it on the r7800 on those beta units. 

you might be sol. 

Current setup: CM2000-> RBE973S-> Trendnet TEG-S380-> GS716T-> pi-hole
also in AP setup: RAXE500->EAX80
1.4gig download/100mbps upload from Xfinity
We’re members of the public helping out on our own time.

View solution in original post

Message 4 of 18

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plemans
Guru

Re: r7800 with DomaOS A7Legit V2.3.2.22

The R7800 never officially supported dumaos. I think it was only on some beta units. 

So you might not find any info on how to clear it. 

reason you don't want dumaOS?

Current setup: CM2000-> RBE973S-> Trendnet TEG-S380-> GS716T-> pi-hole
also in AP setup: RAXE500->EAX80
1.4gig download/100mbps upload from Xfinity
We’re members of the public helping out on our own time.
Message 2 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

Hi its just surfing awa found several people said it was unsafe. Plus I cant seem to get it to take Surfshark VPN on tried with Openvpn set but wont take it. But otherwise I cant fault it  setup was very easy to do seeing as I`m only a novice. Just wish I could get Surfshark on it as I`ve 18month subs left on it. instead of putting it on everything that goes thru internet.

 

Message 3 of 18
plemans
Guru

Re: r7800 with DomaOS A7Legit V2.3.2.22

well you might have a beta unit that is locked because its a beta. Like I said, I've only ever since it on the r7800 on those beta units. 

you might be sol. 

Current setup: CM2000-> RBE973S-> Trendnet TEG-S380-> GS716T-> pi-hole
also in AP setup: RAXE500->EAX80
1.4gig download/100mbps upload from Xfinity
We’re members of the public helping out on our own time.
Message 4 of 18
Netduma-Fraser
NetDuma Partner

Re: r7800 with DomaOS A7Legit V2.3.2.22

I'm sure you're able to upgrade back to the normal firmware, what does it say when you try to update normally with an R7800 file? TFTP should definitely work - does it upload the file when you TFTP?
Message 5 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

It looks to be trying but then says timed out, failed. Have tried with several versions of its early firmware.
Message 6 of 18
plemans
Guru

Re: r7800 with DomaOS A7Legit V2.3.2.22

tftp can be sensitive to timing. You might have to try a few times. 

You can also try nmrpflash. 

https://github.com/jclehner/nmrpflash

Current setup: CM2000-> RBE973S-> Trendnet TEG-S380-> GS716T-> pi-hole
also in AP setup: RAXE500->EAX80
1.4gig download/100mbps upload from Xfinity
We’re members of the public helping out on our own time.
Message 7 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

Hi I tried nmrpflash too that comes back with Block 0#
Message 8 of 18
Netduma-Fraser
NetDuma Partner

Re: r7800 with DomaOS A7Legit V2.3.2.22

Message 9 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

Hi, thanks for the reply a problem I have when I TFTP is when I reboot the router the power light lights up orange but dose NOT BLINK it just changes to white when loaded up and other lights turn white.  So what I have done is entered the PUT command at different times after rebooting ie every 5 seconds after power lights orange : 5 - 10 - 15 - 20 ; 25 seconds & so on. I have put some hours into this still no joy I must be missing something. Fingers are wearing out retyping the command line. I`ve tried both the TFTP as described on last answer several times.

Message 10 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

I`ve also tried with and without enabled TFTP in Windows Optional Features,
what i`ve noticed in all references to the firmware file as being (.chk) where as
for the R7800 firmware they are all (.img) files that I am trying to TFTP.

BED for me now try again tomorrow, thanks everyone for todays help.

Message 11 of 18
Netduma-Fraser
NetDuma Partner

Re: r7800 with DomaOS A7Legit V2.3.2.22

On the Command Prompt guide for example, between steps 7 & 8, hold the reset button down, then do step 8 and when you see 9 happen, let go of the reset and continue the guide and see if that works.
Message 12 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

just tried that several times no joy, thanks.

Message 13 of 18
Netduma-Fraser
NetDuma Partner

Re: r7800 with DomaOS A7Legit V2.3.2.22

The router ID may need to be changed first then, contact NG support and they may be able to do this for you so the upgrade can then complete.
Message 14 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

I'll try them but i asked them how to get netgear firmware back on from Doma OS and they said they could not help as it had custom firware on, and was out of warranty.
Message 15 of 18
Netduma-Fraser
NetDuma Partner

Re: r7800 with DomaOS A7Legit V2.3.2.22

There won't be much you can do then unfortunately
Message 16 of 18
Yammpty
Tutor

Re: r7800 with DomaOS A7Legit V2.3.2.22

Ok thanks for your help, looks like I might have to get my tackle box out and retreive a Hammer.
Message 17 of 18
plemans
Guru

Re: r7800 with DomaOS A7Legit V2.3.2.22

Still a solid router with dumaOS on it. Probably not worth some hammer-time. 🙂 

Current setup: CM2000-> RBE973S-> Trendnet TEG-S380-> GS716T-> pi-hole
also in AP setup: RAXE500->EAX80
1.4gig download/100mbps upload from Xfinity
We’re members of the public helping out on our own time.
Message 18 of 18
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