*Solved* Asus RT-AC3200 Firmware update issue

[Zebulonch]

Hi,

It's my first post on this community as I have a issue with the brand new AC3200 I received.
The issue is maybe my fault as I had to replace a ASUS RT-AC66, I saved the configuration of this router, power on the AC3200 and restore the configuration. It was working fine until I try to change the configuration or update the firmware. For some operation (like save change, update firmware, restore default) nothing is happening (it's just saying "applying setting..." and run in loop forever.

I try to reset, but when I try to update the firmware I always have the same message.

It seems that my unit run a very old firmware (3.0.0.4.378_6188)

I saw that their is a recovery firmware tool, but I have only OSX machine (and it run on windows)
I also see a process to force the firmware update via FTP, but I can't enable the FTP (Message "applying settings" forever...).

Do you have any idea how to solve this issue?

 

[jtjbt20x]

This might work:
https://chrishardie.com/2013/02/asus-router-firmware-windows-mac-linux/

 

[L&LD]

Hi,

It's my first post on this community as I have a issue with the brand new AC3200 I received.
The issue is maybe my fault as I had to replace a ASUS RT-AC66, I saved the configuration of this router, power on the AC3200 and restore the configuration. It was working fine until I try to change the configuration or update the firmware. For some operation (like save change, update firmware, restore default) nothing is happening (it's just saying "applying setting..." and run in loop forever.

I try to reset, but when I try to update the firmware I always have the same message.

It seems that my unit run a very old firmware (3.0.0.4.378_6188)

I saw that their is a recovery firmware tool, but I have only OSX machine (and it run on windows)
I also see a process to force the firmware update via FTP, but I can't enable the FTP (Message "applying settings" forever...).

Do you have any idea how to solve this issue?

You loaded a backup cfg file from your RT-AC66U to an RT-AC3200?

That is your issue, right there.

If you do not have the proper tools to get past this blunder, return the router for another new one.

And don't restore settings from one model to another in the future.

 

[RMerlin]

You loaded a backup cfg file from your RT-AC66U to an RT-AC3200?

That is your issue, right there.

If you do not have the proper tools to get past this blunder, return the router for another new one.

No need for that. A simple factory default reset would recover from this, by booting the router with the WPS button pressed for about 10 seconds.

 

[Zebulonch]

This might work:
https://chrishardie.com/2013/02/asus-router-firmware-windows-mac-linux/

It indeed solved my issue!!!

Many thanks jtjbt20x

You loaded a backup cfg file from your RT-AC66U to an RT-AC3200?

That is your issue, right there.

If you do not have the proper tools to get past this blunder, return the router for another new one.

And don't restore settings from one model to another in the future.

Yes, it's probably the root cause. Lesson learned

Thanks

No need for that. A simple factory default reset would recover from this, by booting the router with the WPS button pressed for about 10 seconds.

The reset was working, but I still wasn't able to flash firmware or change some settings in the web interface. So I really had to put my router on recovery mode (pushing the reset button while booting for 30sec) and then use the TFTP method provide by jtjbt20x in order to flash it with the latest firmware. Now everything is working fine

 

[Puppa]

Good to know. Seems like this flashing method should be a sticky on the forum.

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