Unfortunately not

@omar1 I turned it off, held down the reset button at the back, then switched on, kept the reset button in for about 3 seconds until I see it starts to load on the serial output and the tftp app.

I've tried using OpenWrt and when I wanted to go back to stock it didn't go so well ;) I've setup a TFTP server and downloaded the firwmare for my EU Archer C60 V3 from...