With Parabola: The compatibility with free software is E, as Parabola cannot boot on the device that easily: The nonfree bootloader is incompatible with upstream Linux, which makes parabola impossible to boot unless you compile your own kernel or install another nonfree bootloader.

With Replicant 6.0: The compatibility with free software is "Class E (Garbage)" because the support for the modem isn't finished and the device reboots because of that.

With Replicant 11: 3D acceleration works but the modem and many other things aren't supported yet.

As Replicant is not an allowed distribution, I've to set the compatibility with free software to E, as Parabola cannot boot on the device that easily: The nonfree bootloader is incompatible with upstream Linux, which makes parabola impossible to boot unless you compile your own kernel or install another nonfree bootloader. The Internal WiFi also doesn't with free software.