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Archer C20 v4 Firmware Upgrade Not accepted by device. Error: 4503

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Archer C20 v4 Firmware Upgrade Not accepted by device. Error: 4503

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Archer C20 v4 Firmware Upgrade Not accepted by device. Error: 4503
Archer C20 v4 Firmware Upgrade Not accepted by device. Error: 4503
2021-10-12 07:09:25
Model: Archer C20  
Hardware Version: V4
Firmware Version: 0.9.1 3.16 v0001.0 Build 161130 Rel.68411n

Downloaded the latest firmware version Archer_C20_V4_181213 from the following link: https://www.tp-link.com/in/support/download/archer-c20/v4/#Firmware

Tried to manually upgrade the firmware version on my TP-Link Archer C20 v4 router.

I used wired connection as suggested.

 

It fails with following text:

Error: 4503.

The uploaded file was not accepted by device.

 

Model: Archer C20

 

Current Firmware version:

0.9.1 3.16 v0001.0  Build 161130 Rel.68411n

 

Hardware version:

Archer C20 v4 00000004

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Re:Archer C20 v4 Firmware Upgrade Not accepted by device. Error: 4503
2021-10-12 13:19:55

@cold_river 

 

Make sure that you're suing the correct FW release (device region and HW version should be confirmed).

Here's a guide on how to determine these details - usually from the bottom sticker of your device.

Here's a guide on how to upgrade the wireless router FW.

If this was helpful click on the arrow pointing upward to make it blue. If this solves your issue, click the star to make it blue and mark the post as a "Recommended Solution".
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#2
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Re:Archer C20 v4 Firmware Upgrade Not accepted by device. Error: 4503
2021-10-15 05:16:15

@terziyski I'm using the TP-Link India site and when I select HW version v4, the site shows me FW for Archer C20(EU).

I don't see a Archer C20 FW available on the site.

 

However, I have another router which is Archer C20 (EU) version but that says "you got wrong file" and won't take the FW either.

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#3
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