AC3200 error 4503 when try to update firmware

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AC3200 error 4503 when try to update firmware

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AC3200 error 4503 when try to update firmware
AC3200 error 4503 when try to update firmware
2017-10-11 00:03:32
Model :

Hardware Version :

Firmware Version :

ISP :

I have had problem for a couple of months since I bought this router with 1 laptop out of 6 total devices that connect at different times. When streaming videos for a few minutes the internet disconnects though I still have connection to the router.  If I disconnect and reconnect to router it works for a random amount of time sometimes 2 minutes or less sometimes up to 10 minutes. I tried to update firmware and I get error code 4503.
File:
router information.jpgDownload
Error code 4503.jpgDownload
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Re:AC3200 error 4503 when try to update firmware
2017-10-11 09:04:04
Which firmware you downloaded? Looks like you have US version so I guess you can check if you download the right version or not and unzip the file and upload the bin file
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Re:AC3200 error 4503 when try to update firmware
2017-10-12 00:50:28
Yes, thank you. I discovered that the error message 4503 indicates the firmware was actually a downgrade which was not allowed. I downloaded the corrected firmware and was successful at upgrading it.
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