Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted 

Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted 
Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted 
2021-08-12 04:06:47
Hardware Version: V3
Firmware Version: 1.16.0 0.9.1 v0001.0 Build 200414 Rel.62997n

I was not able to update firmware to LTE_GATEWAYv3_1.9.0_0.9.1_up_boot(190307)_2019-03-07_14.20.35.  I always get an  "Errorr code: 4503 The uploaded file was not accepted"  How can I fix it?

 

Firmware Version:1.16.0 0.9.1 v0001.0 Build 200414 Rel.62997n

Hardware Version:Archer MR400 v3 00000001

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Re:Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted 
2021-08-12 09:58:21

@dsirivat 

May I know why do you want to update the firmware(190307), looking for the band selection feature or something else?

 

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Re:Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted 
2021-08-12 12:56:07

@TP-Link  Not really but if it can I would love to have band selection

There are several features don't work such as ntp client could not get time from the server as a result the wireless scheduler turn on/off incorrectly. Also, the dynamic DNS is struck in "Connecting" (no-ip) all the time so I just try my luck which the latest firmware. Anyway, from the website, there are only two versions of the firmware for MR400 V3 which are 190307 and 181214 so I picked the latest.

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Re:Archer MR400 V3 : Error code: 4503 The uploaded file was not accepted 
2021-08-13 07:45:48

@dsirivat 

Hi, your current firmware is much updated than what we have on the official website.

Did you get this firmware since you had the modem?

And how long have you had the modem?

As for the no-ip DDNS, did you use it to remotely log into the web UI or a local server

 For the NTP issue, if you put the sim card into the mobile phone and enable the hotpost, would the computer connecting to the hotspot be able to get the correct time

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