Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)

Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)

Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)
Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)
2024-05-19 09:38:20 - last edited 2024-05-19 10:11:58
Model: Archer MR400  
Hardware Version: V3
Firmware Version: 1.15.0 0.9.1 v0001.0 Build 191205 Rel.56217n

I was not able to update(downgrade?) firmware to LTE_GATEWAYv3_1.11.0_0.9.1_up_boot(200325)_2020-06-12_15.48.55.bin.  I always get an  "Errorr code: 4503 The uploaded file was not accepted"  How can I fix it?

 

I want to use LTE band selection fuction with MR400 v3.

https://community.tp-link.com/en/home/forum/topic/241534

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4 Reply
Re:Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)
3 weeks ago

  @Motoki 

 

Hi, thanks for posting question here.

Did you upgrade firmware via web interface of the router on a computer?  

Please verify the country code and hardware version of your router before upgrading, ensure you choose the correct firmware to install on your device. If it is a special and customized hardware that was developed for the local Service Providers, you cannot install the generic firmware on it.

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Re:Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)
3 weeks ago

@Marvin_S Thank you for your reply.

 

> Did you upgrade firmware via web interface of the router on a computer?  

Yes, via web interface.

 

>Please verify the country code and hardware version of your router before upgrading, ensure you choose the correct firmware to install on your device.

My router is "MR400(EU) Ver:3.0".

So I choose a firmware "Archer MR400(EU) V2/V3      LTE_GATEWAY_20200325".

 

> If it is a special and customized hardware that was developed for the local Service Providers, you cannot install the generic firmware on it.

How do I check above?

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Re:Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)
3 weeks ago

  @Motoki 

 

Hi, may I know where you got the newer firmware file?

From the official website, we failed to find it.

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Re:Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted (from Build 191205)
2 weeks ago - last edited 2 weeks ago

@Marvin_S 

> I want to use LTE band selection fuction with MR400 v3.

> https://community.tp-link.com/en/home/forum/topic/241534

I want to use the LTE band selection function, so I obtained the firmware from the URL above.

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#5
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