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ASUS RT-AX82U bricked after firmware update (alien.top)

submitted 10 months ago by [email protected] to c/[email protected]

5 comments fedilink hide all child comments

Tried to update to latest firmware (3.0.0.4.388_24231) after seeing there was an update available, via phone app first then via WebGUI, would get to 100% and say update failed. Router still worked at this point.

I attempted to update in recovery mode following Asus guidance, it failed there too except router now bricked. Tried repeatedly and kept failing. I can get a successful recovery message trying to apply the version I tried to update from (3.0.0.4.384.10177) and the original release (3.0.0.4.384.9261) but I can't communicate with the router, doesn't recognise any ethernet connection. The front RGB light flashing red. It only recognises the router exists in recovery mode but that's not usable.

Router is 3 years old so expect I'll get no help from Asus and don't really want hassle with customer service.

Any tips or succumb to getting a new router?

I found a thread for AX86 and saw references to older release notes suggesting to not update to earlier new versions straight away, but there was no warning in the release note for 3.0.0.4.388_24231. Pretty annoyed. I'm a networking noob and only updated because I was prompted in the app, and thought I should for general security purpose. I only went into the app to assign my PS5 as a game device to reduce my ping!

Any help greatly appreciated.

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[–] [email protected] 1 points 10 months ago (1 children)

Oh, and another thing, make sure you dont have any security settings with your browser that can impede the CFE website on the router. Brave is good at breaking this sort of thing. Turn the router OFF for a full minute or two and disconnect power before you start the process of entering recovery mode, we need that NVRAM free of junk from the broken upload.

If you miss getting the router into recovery mode on the first try due to timing, disconnect power and wait again before starting over. This sounds odd, but a lot of junk can stay in RAM for quite a while after power off, and youre last firmware is broken so we dont know how thats going to impact.

[–] [email protected] 1 points 10 months ago

Thanks, if I could award you I would! Can see you've put a lot of effort and detail in

I managed to use TFTP2, get a ping and Upgrading flash status with progress for about a minute, until it goes to erasing flash stage, then I can see in CMD the ping fails (that's handy to see anyway), still with the Asus firmware (I don't think I can use third party). Had a few attempts with different versions and all still failing.

The TTL cable is maybe a step too far for me. Think the router may be going on eBay!

Still thank you