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I was being quick, sorry if it came out wrong. But yeah it’s a manual upgrade, or write a card and ship it. Or set up a VM, or use router phones.
No you're good. Thanks for your help.
I was being quick, sorry if it came out wrong. But yeah it’s a manual upgrade, or write a card and ship it. Or set up a VM, or use router phones.
Is there a way to update the SBC to the latest version on a Linux VM ? I'd like to avoid re-installing the SBC if I can.

So skipping the reflashing SD card step, just means you're just missing the OS upgrade?View attachment 46810
These are the commands to perform the upgrade. Its in the blog post referenced by this thread
https://www.3cx.com/blog/news/sbc-eol-upgrade/
The upgrade procedure should be seamless on any platform.
Founded in 2005, when VoIP was an emerging technology, 3CX has gone on to establish itself as a global leader in business communications.