The Librem 5 comes with PureOS by default. This page explains why that is important. An operating system in your best interests The Librem 5 comes with PureOS by default, not Android. It is the only smartphone on the market today to ship with a fully-free and auditable operating system, from the ground up, that …
PureOS is not compatible with Android or Windows smartphones. There are several reasons for this:
These devices cannot work without proprietary parts that PureOS does not ship;
These devices will not work with the latest mainline kernel (system’s core) found in PureOS; they need older versions with proprietary parts;
Even if you have a device that does not fall under the previous issues, there is still a decent amount of work needed to make it possible to install and start on those devices
there’s a download pureos button, could we not use that as a bootable image for devices ?
https://docs.puri.sm/Software/PureOS/Overview/Compatibility.html#android-windows-phones
For those who don't want to click through:
PureOS is not compatible with Android or Windows smartphones. There are several reasons for this:
These devices cannot work without proprietary parts that PureOS does not ship;
These devices will not work with the latest mainline kernel (system’s core) found in PureOS; they need older versions with proprietary parts;
Even if you have a device that does not fall under the previous issues, there is still a decent amount of work needed to make it possible to install and start on those devices
Appears to also be the name of their amd64 iso desktop image. The only downloads I could find were for PC.