[OpenWrt-Devel] [solved] Linksys E1700 firmware upload throws "incorrect Firmware"

[Ben West]

Yep, newer stock firmwares now frequently include locks against flashing
3rd party firmware.  A common approach thus far, as you found, is indeed to
downgrade to the stock firmware to an older version, but I understand that
option also is being gradually trimmed away on newly sold products.

On Thu, May 19, 2016 at 1:57 PM, Andreas Schlager <andreas.schlager at sbg.at>
wrote:

> Hi List,
>
> finally I managed to flash the OpenWRT firmware to the Linksys E1700
> router.
> The problem is, that starting with Linksys firmware revision 1.0.01 and
> above the firmware upgrade process aborts with "incorrect Firmware" when
> trying to upload the OpenWRT firmware.
>
> I googled around and finally got a hit in a dd-wrt thread (
> https://www.dd-wrt.com/phpBB2/viewtopic.php?t=277324&postdays=0&postorder=asc&start=30
> )
>
> So I downloaded the initial Linksys FW version 1.0.00 (get
> FW_E1700_v1.0.00.081_20131220.bin at https://db.tt/m95cTvHq) and
> downgraded the E1700 from FW 1.0.02 (which my device was shipped) to 1.0.00.
>
> Then it accepted the OpenWRT firmware without troubles.
>
> Many thanks to you all for this exciting piece of software!
>
> Kind regards,
>
> -Andreas.
>
> ---------------------------------------------------------
> "Sed quis custodiet ipsos custodes?"
> (Wer, außer den Wächtern selbst, wacht über die Wächter?)
> --Juvenal.
>
> Am 2016-05-18 um 21:58 schrieb Andreas Schlager:
>
> Dear list members,
>
> I'm coming to you with an installation problem on my brand new Linksys
> E1700 devices, but I think this is the right forum for this. Also
> because the WIKI entries for the E1700 router tells to report a working
> device - which unfortunately is not the case...
>
> I tried it with uploading the OpenWRT firmware via the origina Linksys
> Web-Interface, but after 15% it states "Incorrect Firmware". Only an OK
> button, no ignore or something else.
>
> Then I fiddled around with tftp/tftpd, but it seems that this device
> doesn't send tftp requests when booting, nor when reset-button is
> pressed. Also an upload via tftp to the device failed.
> The device still is useable, the stock firmware works. Additionally I
> tried to upload the original Linksys FW, what worked.
>
> This is the image I tried:https://downloads.openwrt.org/snapshots/trunk/ramips/mt7620/openwrt-ramips-mt7620-e1700-squashfs-factory.bin
>
> Any ideas highly appreciated....
> Many thanks in advance!
>
> -Andreas.
>
>
>
>
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>
>
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>


-- 
Ben West <ben at gowasabi.net>
ben at gowasabi.net
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