TL-WR840n v4 - Error 4503 in upgrading firmware
This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.TL-WR840n v4 - Error 4503 in upgrading firmware
This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Hardware Version : v4
Firmware Version :
ISP :
Hi to all!
I tried several times, from several differente O. S. and browser to upgrade the firmware.
Always the same answer: error code 4503
My actual firmware and hardware versions are:
I tried to upgrade with the versions in this page (obviously v4 version) https://www.tp-link.com/br/download/TL-WR840N_V4.html#Firmware
That's the label on the back of the router:
Anybody knows what is the problem?
Thanks!
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@vectorsigma the main reason for the 4503 error is the wrong region selected when downloading firmware from download centre of tplink website.
Try different regions when downloading firmware.
At first i had selected pk region then us so us region worked.
Changing of region also change the versions of the firmwares.
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Hello all, this is a quite old thread, but I agree with @hijani that whenever you download and or upgrade the firmware on a TP-Link device, do remember to verify its country code and hardware version before upgrading, ensure you choose the correct firmware to install on your device.
Back to the initial question that some of you failed to upgrade the firmware on the TL-WR840N<W> v4.0, I guess this is special and customized hardware that was developed for the local Service Providers, so you cannot install the generic firmware on it.
If any of you can confirm this for others, we would appreciate that.
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