I have faced the same issue. I have tried to upload the bin file and upgrade the firmware version. Process End up with " Error code: 4503 The uploaded file was not accepted."

My Hardware version - Archer MR200 v4 00000001

current firmware version - 1.0.0 0.9.1 v0001.0 Build 190603 Rel.60023n

I need to upgrade the firmware to the newest one of V4 that was Published on 2020-06-28.

URL that I have downloaded the firmware - https://www.tp-link.com/in/support/download/archer-mr200/v4/#Firmware

Reason for upgrading the firmware - I want to lock the band to band 3

1 Reply

Sunshine

2022-06-23 02:08:30

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Re:Archer MR200 - Error code: 4503 The uploaded file was not accepted.

2022-06-23 02:08:30

@Sheren1999

Hi, upon checking, your current firmware build 190603 is an ISP customized firmware for LKMBT(Mobitel in Sri Lanka)，which is unable to update to other universal firmware.

For new firmware or new features, please contact the ISP Mobitel.

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Sheren1999

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2022-06-22 09:16:57

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Archer MR200 - Error code: 4503 The uploaded file was not accepted.

Archer MR200 - Error code: 4503 The uploaded file was not accepted.

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