Error code: 4503 firmware upgrade

Error code: 4503 firmware upgrade
Error code: 4503 firmware upgrade
2012-12-15 15:15:18
Region : UnitedKingdom

Model : TD-W8968

Hardware Version : V1

Firmware Version : 120926

ISP : ADSL24


Just bought new router TD-W8968 and tried to do a firmware upgrade to latest version but keep getting Error code: 4503

Have even tried an older version thinking maybe I had to do that one first but got same error code.
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5 Reply
Re:Error code: 4503 firmware upgrade
2012-12-15 16:15:37
Did you use Internet Explorer or any other browser to upgrade the firmware? I suggest you to try with Internet Explorer. In addition, I'd like to remind you that: use the wired connection instead of wireless connection to upgrade the firmware.
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Re:Error code: 4503 firmware upgrade
2012-12-15 18:18:17
I use Chrome, is that a problem? I haven't used IE for about 10yrs and don't really want to download it onto my Mac ;)

Yes, I did do it via a wired connection. Do you know what the error code is?


Edit: Think I may just have discovered the problem....it seems I already have firmware version 121016 installed which I'm guessing is newer than the one I was trying to install :o

(Firmware Version: 0.6.0 1.1 v0005.0 Build 121016 Rel.48690n)
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Re:Error code: 4503 firmware upgrade
2013-03-20 16:21:40
You should be able to upgrade or downgrade firmware.

I'm considering this - I purchased new TD-W8968 and in 24 hours I have had to reboot 3 times to recover internet connectivity. Will post separate forum post about it. I lose DNS connectivity. Diags fail pinging primary DNS.

I can't find the current firmware "0.6.0 1.1 v0005.0 Build 121016 Rel.48690n" on TP link website. Latest they post is TD-W8968_V1_120926

I want to downgrade to try and see if lower version more stable but if I do there's no way I can upgrade as no file available!
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Re:Error code: 4503 firmware upgrade
2021-01-23 21:07:47
1111
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Re:Error code: 4503 firmware upgrade
2021-01-23 22:08:54
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