Wrong firmware on TL-MR6400, can't upgrade.

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Wrong firmware on TL-MR6400, can't upgrade.

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Wrong firmware on TL-MR6400, can't upgrade.
Wrong firmware on TL-MR6400, can't upgrade.
2018-01-18 07:05:16
Model :

Hardware Version :

Firmware Version :

ISP :

Hi,

To made a terrible mistake today: Loaded a V1 firmware on a V2 TL-MR6400 ... (see below as to why this happened).
I still can access the router via LAN and WLAN, but I cannot upgrade the firmware and I cannot reset to factory defaults.

I currently have firmware 1.0.8 Build 150906 Rel.52604n loaded.

a.) upgrading the firmware always results in: "The connection was reset" right after I hit "yes" in the confirmation dialog.
b.) resetting to factory defaults always results in:








Error code: 20
Error occurred, please try again.




right after the confirmation.

So I'm stuck. I know that this is pretty dumb ... any ideas how I can rescue my TL-MR6400 ?? I already tried different browsers (Chrome, Firefox, IE) but no
avail. I also tried power cycling the box several times.

I'd appreciate any hints ...

Thanks a lot // Tom

P.S: Reason why this happened: The firmware download web page told me to double check that I have the right firmware for my router. And it also said I should check the country page --- so I checked the country page and it re-directed my to the Austrian local TP-LINK page where only this old firmware was available. So I thought this would be the right one ....
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#1
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Did you get an answer
2018-02-13 06:27:42
Hi,

I have just done the same thing. did you get an answer or did I turn the router into a brick.
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#2
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Re:Wrong firmware on TL-MR6400, can't upgrade.
2018-02-13 17:46:10
No sorry. I'm still stuck with it. I can load an older version of OpenWrt on the device, this this older version does not support the hardware fully.
So it basically works but I cannot re-flash the newest version. Somehow the firmware seems to come in two parts: A firmware/software part and a modem part.
Using the V1 has apparently overwritten both parts.
I did not have time to deal with this any longer ... Maybe someone else finds a solution ..
Cheers // Tom
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