Upgrading WNDR3400 from v24 SP2 17990M

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Knot.Head
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Joined: 14 Jan 2018
Posts: 10

PostPosted: Sun Jan 14, 2018 22:37    Post subject: Upgrading WNDR3400 from v24 SP2 17990M Reply with quote
I'm sure I'm missing something obvious, but I've got an older WNDR3400 v1 that is running 17990 mega, and I would like to upgrade it to 33772 mini. Not sure what I'm doing wrong, but when I do the firmware upgrade, it jumps to "upgrade successful" in just a few seconds and after doing a 30/30/30 I find that it's still running v24 sp2 17990.

Can someone point me to the correct steps for upgrading, or offer some insight?

Thanks in advance.
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Per Yngve Berg
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Joined: 13 Aug 2013
Posts: 6858
Location: Romerike, Norway

PostPosted: Sun Jan 14, 2018 23:24    Post subject: Reply with quote
Stay with K3.x

ftp://ftp.dd-wrt.com/betas/2017/11-16-2017-r33772/broadcom_K3X/dd-wrt.v24-33772_NEWD-2_K3.x_mega-WNDR3400.chk
Knot.Head
DD-WRT Novice


Joined: 14 Jan 2018
Posts: 10

PostPosted: Mon Jan 15, 2018 1:55    Post subject: Reply with quote
[quote="Per Yngve Berg"]Stay with K3.x

[url]ftp://ftp.dd-wrt.com/betas/2017/11-16-2017-r33772/broadcom_K3X/dd-wrt.v24-33772_NEWD-2_K3.x_mega-WNDR3400.chk[/url][/quote]

Thanks for the link. Unfortunately, I get the same behavior after starting the firmware update, the countdown page appears for 8 seconds and then I get "upgrade successful". After a 30/30/30, 17990 is still on the router.
Knot.Head
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Joined: 14 Jan 2018
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PostPosted: Tue Jan 16, 2018 18:24    Post subject: Reply with quote
Anyone have an idea what I'm missing with this attempted upgrade? Thanks!
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Tue Jan 16, 2018 22:17    Post subject: Reply with quote
Maybe try flashing it from stock. Follow the wiki page for the wndr3400 to go back to stock and try the chk file ftp://ftp.dd-wrt.com/betas/2017/11-16-2017-r33772/broadcom_K3X/dd-wrt.v24-33772_NEWD-2_K3.x_mega-WNDR3400.chk
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Knot.Head
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Joined: 14 Jan 2018
Posts: 10

PostPosted: Wed Jan 17, 2018 14:33    Post subject: Reply with quote
Malachi, I followed your advice and re-flashed with router with factory firmware, reset, and then uploaded the K3.x Mega CHK build. This resulted in a bricked device and the only way I could recover was to short the pins. Best I can recall, I then tried to upload the K2.6 mega from 33679 and it bricked as well.

The only thing I've been able to accomplish so far is flash the 33679 K2.6 Mini CHK and then follow that with the same mini version in .BIN format. When I initially upload the CHK build, the LAN ports would not respond and the only way to access the router was via the WLAN on 2.4Gz (Even though the router 5Gz LED was the only one lit up). Very odd.

I wasted three hours on this thing and almost relegated it to target practice. Frustration is an understatement.

I only need to run the WLAN on this device in client mode so I can add a couple RJ45 devices in another location. Are there any know issues with 33679? I'm tempted to just leave it as is.

Thanks.
Malachi
DD-WRT Guru


Joined: 17 Jul 2012
Posts: 7209
Location: Columbus, Ohio

PostPosted: Wed Jan 17, 2018 14:49    Post subject: Reply with quote
Sorry. Must be bad builds.
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Knot.Head
DD-WRT Novice


Joined: 14 Jan 2018
Posts: 10

PostPosted: Wed Jan 17, 2018 14:53    Post subject: Reply with quote
[quote="Malachi"]Sorry. Must be bad builds.[/quote]

No worries. I'm always up for a challenge.

Are there any concerns just leaving it at 33679?
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