I'm beginning to think that this RUT240 might be a bit unwell.
I've tried upgrading the firmware several times ("From file" because the internet connection is too unreliable to perform an "Update from server") but it never succeeds. Once it got as far as verifying the .bin file and gave me the final choice to upgrade or abort, but after a bit of waiting the router became unresponsive then reappeared with the old FW version.
I tried the CLI "firstboot" option but nothing happened - I was expecting to see a message like "This will erase all settings and remove any installed packages. Are you sure? [N/y]".
![](denied:data:image/png;base64,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)
This page suggests that the CLI "firstboot" performs the same actions as the hardware pin reset and the WebUI "Restore default settings" so maybe there's not much to be gained from investigating the CLI failure. https://wiki.teltonika-networks.com/view/RUT240_Device_Recovery_Options
I'll keep trying but if there's anything else you can add I'd be very grateful.