[rfvrgvegbegn]

You don't have to trust them, everything is open and auditable.

The only black boxes like the modem are physically separated from the chip and sandboxed over USB.

If you don't trust them, format it and install your favorite distro + Posh (which is also open source ) that you downloaded yourself

[fsflover]

There are also x-ray pictures and schematics available, so you compare you phone with that: https://source.puri.sm/Librem5/community-wiki/-/wikis/Freque....