Reflash MR18 from CT to OpenWrt


Can someone give me some steps for safely converting CucumberTony to OpenWRT. I have 2 MR18s but CT now only supports one device on the free plan.

CT gets a root prompt and is basically just Linux so I’m guessing it won’t be too hard to re flash but I don’t want to get it wrong.

The original guide just seems to be for MR18s with stock Cisco firmware.



In case this helps anyone else the solution was pretty easy in the end.

I basically followed this guide ( from step 6 of Solution A as i already had network connectivity from the console so could wget the initramfs file from another machine.

Only difference is i had to copy to block 1 and 2 as just copying to 2 kept booting back to CT

dd if=/root/openwrt.bin of=/dev/mtdblock2
dd if=/root/openwrt.bin of=/dev/mtdblock1

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