Odd behaviour with Netgear 3400

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rbannocks
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Joined: 27 Mar 2014
Posts: 18

PostPosted: Sat Nov 23, 2019 12:13    Post subject: Reply with quote
I have now recovered this installed the K2 version and upgradred to this version

Firmware: DD-WRT v3.0-r38347M mega (01/21/19

However trying to upgrade to the latest beta via the web interface leas to the router giving the impression that the upgrade suceeds but when the router restarts the version above is reported and remains. Is there a bug in the upgrade procedure with current or this version.
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rbannocks
DD-WRT Novice


Joined: 27 Mar 2014
Posts: 18

PostPosted: Sat Nov 23, 2019 14:09    Post subject: Reply with quote
further trying with the command line gives:

write dd-wrt.v24-41586_NEWD-2_K3.x_mega-WNDR3400.chk linux
Netgear chk format detected
Error: Flash to OEM for board U12H155T00_NETGEAR▒wg▒w▒▒wX▒▒w▒c▒w not supported yet
kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 3186
Location: Texas, USA

PostPosted: Sat Nov 23, 2019 17:32    Post subject: Reply with quote
That's weird. You may have to try to work your way from the installed build to the current K3.x. Did you read any of the forum threads that jwh7 posted earlier in this thread?
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rbannocks
DD-WRT Novice


Joined: 27 Mar 2014
Posts: 18

PostPosted: Mon Nov 25, 2019 23:22    Post subject: Reply with quote
Ok, there is something really wrong here. Trying to command line flash the same version gives an error

wget http://download1.dd-wrt.com/dd-wrtv2/downloads/betas/2019/01-21-2019-r38347/broadcom_K3X/dd-wrt.v24-38347_NEWD-2_K3.x_mega-WNDR3400.chk
write dd-wrt.v24-38347_NEWD-2_K3.x_mega-WNDR3400.chk linux
Netgear chk format detected
Error: Flash to OEM for board U12H155T00_NETGEARw▒▒v▒NwX$w▒w not supported yet

The version it is running is 38347:

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/ _ \/ _ \___| | /| / / _ \/_ __/ _ __|_ / / _ \
/ // / // /___/ |/ |/ / , _/ / / | |/ //_ <_/ // /
/____/____/ |__/|__/_/|_| /_/ |___/____(_)___/

DD-WRT v3.0
http://www.dd-wrt.com

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BusyBox v1.30.0 (2019-01-21 18:14:24 CET) built-in shell (ash)


Is there someway to completly reset the nvram?
as the netgear firmware has been reapplied several times before moving to ddwrt.

RB
jwh7
DD-WRT Guru


Joined: 25 Oct 2013
Posts: 2436
Location: Indy

PostPosted: Tue Nov 26, 2019 0:10    Post subject: Reply with quote
rbannocks wrote:
Is there someway to completly reset the nvram? as the netgear firmware has been reapplied several times before moving to ddwrt.
Command line is best, assuming it's ok for your model:
https://forum.dd-wrt.com/wiki/index.php/Hard_reset_or_30/30/30#Erasing_NVRAM
Note the version dependence. Smile

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