Error code: 4503 The uploaded file was not accepted.

Error code: 4503 The uploaded file was not accepted.
Error code: 4503 The uploaded file was not accepted.
2021-08-03 18:41:20
Hardware Version: V1
Firmware Version: 0.9.1 0.0 v004a.0 Build 160204 Rel.50207n

Hi!

I have read several threads about this issue but I can´t solve it with the given solutions.

I try to upgrade the firmware of one TP-Link 4G Router Archer MR200 with the same result: "Error code 4503 The uploaded file was not accepted"

Currently the router has the firmware version 0.9.1 0.0 v004a.0 Build 160204 Rel.50207n and the hardware version is Archer MR200 v1 00000000.

I am located in Spain and I have downloaded three firmware versions that are available in the web from this link:

 

https://www.tp-link.com/es/support/download/archer-mr200/v1/#Firmware

 

I'm guessing that the device has an european firmware version but may be I'm wrong.

At least two firmware versions give me the error code 4503:

 

- Archer MR200v1_0.9.1_1.1_up_boot_v004a.0 Build 160905 Rel.60037n.bin

- Archer MR200v1_0.9.1_1.2_up_boot_v004a.0 Build 180502 Rel.53881n.bin

 

Please, Could you help me with this issue?

Thank you in advance.

Regards.

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