TP-Link Archer C7 V2 (AC1750) Error Code: 18005

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t81
DD-WRT Novice


Joined: 04 Nov 2015
Posts: 13

PostPosted: Wed Nov 04, 2015 20:51    Post subject: TP-Link Archer C7 V2 (AC1750) Error Code: 18005 Reply with quote
Brand new router, just unboxed.
I upgraded from Archer_C7_V2_131217 as suggested:
http://www.dd-wrt.com/wiki/index.php/TP_Link_Archer_C7

Firmware Version: 3.14.3 Build 151014 Rel.49676n
Hardware Version: Archer C7 v2 00000000

Using the web interface I'm trying to flash r28072, downloaded from here:
ftp://ftp.dd-wrt.com/betas/2015/11-02-2015-r28072/tplink_archer-c7-v2/

The process fails with:
Error Code: 18005
Upgrade unsuccessfully because the version of the upgraded file was incorrect. Please check file name.


I also tried to flash the OpenWrt firmware
https://downloads.openwrt.org/chaos_calmer/15.05/ar71xx/generic/openwrt-15.05-ar71xx-generic-archer-c7-v2-squashfs-factory.bin
from here:
http://wiki.openwrt.org/toh/tp-link/tl-wdr7500

But the same error code.

Also tried using tftp under win7, but it cannot flash the firmware too.

Any suggestions?
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KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Nov 04, 2015 21:12    Post subject: Reply with quote
I see you used the v2 firmware 151014 for US version: http://www.tp-link.us/download/Archer-C7_V2.html#Firmware

Is your router US version ? Can you provide a picture of the back of the router ?

I think you should have flashed the international (not US) v2/v3 firmware 141110 from here http://www.tp-link.com/en/download/Archer-C7_V2.html#Firmware

Please give more details...

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX

Testing BrainSlayer's DD-WRT build 31924 on various units:
NETGEAR : WNDR3800 WNDR3800CH WNDRMACv2 WNDRMACv1 WNR2200 WNR2000v3
TP-LINK : ArcherC7v3 WR1043NDv3 WR740Nv4 WR740Nv6 WR710Nv1 WR810Nv1 WA850REv1 WA901NDv3 WA901NDv4
D-LINK : DIR-862L DIR-615D2
ASUS : RT-N10 C1
VirtualBox : x86_64
t81
DD-WRT Novice


Joined: 04 Nov 2015
Posts: 13

PostPosted: Wed Nov 04, 2015 21:33    Post subject: Reply with quote
I attached the photo.
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Nov 04, 2015 21:38    Post subject: Reply with quote
OK. Still can't find out if it's a US or non-US version. Where was the router bought ? Is the power adapter connector US or EU version ?
_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX

Testing BrainSlayer's DD-WRT build 31924 on various units:
NETGEAR : WNDR3800 WNDR3800CH WNDRMACv2 WNDRMACv1 WNR2200 WNR2000v3
TP-LINK : ArcherC7v3 WR1043NDv3 WR740Nv4 WR740Nv6 WR710Nv1 WR810Nv1 WA850REv1 WA901NDv3 WA901NDv4
D-LINK : DIR-862L DIR-615D2
ASUS : RT-N10 C1
VirtualBox : x86_64
t81
DD-WRT Novice


Joined: 04 Nov 2015
Posts: 13

PostPosted: Wed Nov 04, 2015 21:48    Post subject: Reply with quote
Bought it in Europe, from Germany, so it is EU then.
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Nov 04, 2015 22:04    Post subject: Reply with quote
OK. Flash this EU firmware 141110 www.tp-link.com/resources/software/Archer_C7_V2_V3_141110.zip

Then flash DD-WRT as you intended to do in the first place: use factory-to-ddwrt.bin from ftp://ftp.dd-wrt.com/betas/2015/11-02-2015-r28072/tplink_archer-c7-v2/

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX

Testing BrainSlayer's DD-WRT build 31924 on various units:
NETGEAR : WNDR3800 WNDR3800CH WNDRMACv2 WNDRMACv1 WNR2200 WNR2000v3
TP-LINK : ArcherC7v3 WR1043NDv3 WR740Nv4 WR740Nv6 WR710Nv1 WR810Nv1 WA850REv1 WA901NDv3 WA901NDv4
D-LINK : DIR-862L DIR-615D2
ASUS : RT-N10 C1
VirtualBox : x86_64
t81
DD-WRT Novice


Joined: 04 Nov 2015
Posts: 13

PostPosted: Wed Nov 04, 2015 22:13    Post subject: Reply with quote
I am getting the same error.
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Nov 04, 2015 22:17    Post subject: Reply with quote
OK, did you manage to flash the first build or does it only get stuck when you try dd-wrt. Please give more detailed information, now I'm not sure what firmware you have on it.

I'll modify a build so you can flash dd-wrt on it, but first please confirm that you have this firmware now on it:
Firmware Version: 3.14.3 Build 151014 Rel.49676n
Hardware Version: Archer C7 v2 00000000

Is it this one ?

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX

Testing BrainSlayer's DD-WRT build 31924 on various units:
NETGEAR : WNDR3800 WNDR3800CH WNDRMACv2 WNDRMACv1 WNR2200 WNR2000v3
TP-LINK : ArcherC7v3 WR1043NDv3 WR740Nv4 WR740Nv6 WR710Nv1 WR810Nv1 WA850REv1 WA901NDv3 WA901NDv4
D-LINK : DIR-862L DIR-615D2
ASUS : RT-N10 C1
VirtualBox : x86_64


Last edited by KrypteX on Wed Nov 04, 2015 22:18; edited 1 time in total
t81
DD-WRT Novice


Joined: 04 Nov 2015
Posts: 13

PostPosted: Wed Nov 04, 2015 22:18    Post subject: Reply with quote
Confirmed
Hardware Version: Archer C7 v2 00000000
I'm stuck at
Firmware Version: 3.14.3 Build 151014 Rel.49676n
could not flash EU firmware 141110


Last edited by t81 on Wed Nov 04, 2015 22:28; edited 1 time in total
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Nov 04, 2015 22:27    Post subject: Reply with quote
I'm not able to create the modded build just yet.
Can you flash this EU firmware 141110 www.tp-link.com/resources/software/Archer_C7_V2_V3_141110.zip ?
Of course, unpack the contents of the zip file first...

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX

Testing BrainSlayer's DD-WRT build 31924 on various units:
NETGEAR : WNDR3800 WNDR3800CH WNDRMACv2 WNDRMACv1 WNR2200 WNR2000v3
TP-LINK : ArcherC7v3 WR1043NDv3 WR740Nv4 WR740Nv6 WR710Nv1 WR810Nv1 WA850REv1 WA901NDv3 WA901NDv4
D-LINK : DIR-862L DIR-615D2
ASUS : RT-N10 C1
VirtualBox : x86_64
t81
DD-WRT Novice


Joined: 04 Nov 2015
Posts: 13

PostPosted: Wed Nov 04, 2015 22:30    Post subject: Reply with quote
No, I can not flash firmware 141110.
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Nov 04, 2015 22:32    Post subject: Reply with quote
Try this www.tp-link.com/res/down/soft/Archer_C7_v2_150304.zip
if doesn't work, try this:
www.tp-link.com/res/down/soft/Archer_C7_v2_150427.zip

I know how to mod the build so it flashes on your current US firmware, but I have to recompile the tool that I use first and can only do it tomorrow morning.

Edit: There's another solution. Do you know how to TFTP a build ?

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX

Testing BrainSlayer's DD-WRT build 31924 on various units:
NETGEAR : WNDR3800 WNDR3800CH WNDRMACv2 WNDRMACv1 WNR2200 WNR2000v3
TP-LINK : ArcherC7v3 WR1043NDv3 WR740Nv4 WR740Nv6 WR710Nv1 WR810Nv1 WA850REv1 WA901NDv3 WA901NDv4
D-LINK : DIR-862L DIR-615D2
ASUS : RT-N10 C1
VirtualBox : x86_64
t81
DD-WRT Novice


Joined: 04 Nov 2015
Posts: 13

PostPosted: Wed Nov 04, 2015 23:13    Post subject: Reply with quote
I could not flash either firmware.
I have tried the TFTP method using the Windows GUI TFTP Utility (tftp2.exe)
I ran it, set the server to 192.168.0.1, no password, chose the firmware (ddwrt) and after 99 retries I had no luck.
KrypteX
DD-WRT Guru


Joined: 18 Jan 2014
Posts: 2411

PostPosted: Wed Nov 04, 2015 23:16    Post subject: Reply with quote
The cause is this stupid Wiki entry that someone created http://www.dd-wrt.com/wiki/index.php/TP_Link_Archer_C7 which links to the firmware of the US version of Archer C7 v2 (Edit: the link has been fixed since I wrote this). If you flash that over the Worldwide/EU version, it will transform the header into the US version, which won't allow flashing of any 3rd party firmware.

That link should have pointed to the Worldwide/EU firmware for Archer C7_V2_V3_141110 found here: http://www.tp-link.com/en/download/Archer-C7_V2.html#Firmware

The official DD-WRT builds for C7 v2 will only flash over the Worldwide/EU firmware and will NOT on the US firmware (error 18005).

_________________
THERE ARE NO STRANGERS HERE; ONLY FRIENDS YOU HAVEN'T YET MET.
________________________________________________________________________________________________________
DD-WRT CHANGELOG | DEVICES | DD-WRT BUILDS | KONG BUILDS | UNOFFICIAL BUILDS | DD-WRT in VIRTUALBOX

Testing BrainSlayer's DD-WRT build 31924 on various units:
NETGEAR : WNDR3800 WNDR3800CH WNDRMACv2 WNDRMACv1 WNR2200 WNR2000v3
TP-LINK : ArcherC7v3 WR1043NDv3 WR740Nv4 WR740Nv6 WR710Nv1 WR810Nv1 WA850REv1 WA901NDv3 WA901NDv4
D-LINK : DIR-862L DIR-615D2
ASUS : RT-N10 C1
VirtualBox : x86_64


Last edited by KrypteX on Fri Apr 29, 2016 8:05; edited 3 times in total
dmateos
DD-WRT Novice


Joined: 05 Nov 2015
Posts: 4

PostPosted: Thu Nov 05, 2015 3:09    Post subject: Reply with quote
Hey i am having exact same issue here.

Archer C7 v2 00000000, 3.14.3 Build 151014 Rel.49676n

Will not flash to any version of dd-wrt ive tried.
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