Archer C9 v1 : Do not use the recent factory-to-ddwrt!

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mitty88
DD-WRT Novice


Joined: 19 Sep 2017
Posts: 2

PostPosted: Fri Nov 19, 2021 9:19    Post subject: Archer C9 v1 : Do not use the recent factory-to-ddwrt! Reply with quote
It will brick your router!

I have this device and originally took the 3rd most recent pair of binaries (11-05-2021 r47618). The factory-to-ddwrt binary doesn't work, the router would endlessly reboot.

The router can be recovered without using a serial connection by using TFTP :
https://www.youtube.com/watch?v=AU8RyW82Z2M

Use the factory-to-ddwrt from here : 04-05-2016-r29409. Then upgrade with the r47618 webflash binary. Everything seems to work now, WIFI is up (5Gz and 2Gz), the speeds are acceptable (I only have a 100 mbps connection, the 5Gz wifi reaches this speed with no issues). Signal strength is almost as good as the stock firmware.
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kernel-panic69
DD-WRT Guru


Joined: 08 May 2018
Posts: 14126
Location: Texas, USA

PostPosted: Fri Nov 19, 2021 14:49    Post subject: Reply with quote
Like it says in the wiki?

https://forum.dd-wrt.com/wiki/index.php/TP_Link_Archer_C9

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