error -1 trying to flash r8000

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foz111
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Joined: 01 Oct 2017
Posts: 367
Location: Earth

PostPosted: Wed Jan 16, 2019 13:29    Post subject: error -1 trying to flash r8000 Reply with quote
As title says, i am trying to flash a Kong build dd-wrt.K3_R8000.chk on Netgear R8000 running stock Netgear firmware ver V1.0.4.28_10.1.54 and when i try flashing it from the Netgear gui i get an error message saying The firmware is not compatiable with your router. Error code -1.

It is not R8000P model

Any advice please?
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egc
DD-WRT Guru


Joined: 18 Mar 2014
Posts: 6625
Location: Netherlands

PostPosted: Wed Jan 16, 2019 17:37    Post subject: Reply with quote
There are threads about this I think.
It could be that the router is locked.
Things to try:
    Use TFTP to flash
    Use NMRPFlash to flash (see my signature for the R6400v2, in the second post is the unbricking guide)
    Downgrade firmware
    Serial

_________________
Routers:Netgear R7800, R6400v1, R6400v2, Linksys EA8500, EA6900 (XvortexCFE), E2000 (converted WRT320N), WRT54GS v1.
OpenVPN Policy Based Routing: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=321686
Install guide R6400v2:http://forum.dd-wrt.com/phpBB2/viewtopic.php?t=316399
OpenVPN Server Setup:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=318795
Install guide R7800: https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=320614
Wireguard Server setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?p=1183135
Wireguard Client setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324624
Wireguard Advanced setup guide:https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324787
Forum Guide Lines (important read):https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=324087
foz111
DD-WRT User


Joined: 01 Oct 2017
Posts: 367
Location: Earth

PostPosted: Wed Jan 16, 2019 18:03    Post subject: Reply with quote
Hi
Thanks for your reply
yes found a thread about this here https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=315110&postdays=0&postorder=asc&start=0

my apologise i should have searched more before posting

had to open the r8000 connect serial ttl cable get to CFE then enter "flash -noheader : flash1.trx" then same time run tftpd with a .bin file
if i used .chk file i got Checking crc...Invalid boot block on disk and stopped booting at tftp server
funny enough i had tried an earlier stock firmware .chk file and it still wouldnt boot with Invalid block error
so Netgear messed around with something hope this is not going to be the case for all new netgear stock firmware accross the range R7000 R7800 etc
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