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 <[email protected]> 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. > > > > > _______________________________________________ > openwrt-devel mailing > [email protected]https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel > > > > _______________________________________________ > openwrt-devel mailing list > [email protected] > https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel > > -- Ben West <[email protected]> [email protected]
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