CMF Phone 1, install e/OS or buy preinstalled?

[aibd]

@piero

… to downgrade …
i thnk one need to use fastboot

The ROM contains vendor parts and a Fastboot install script. A little research reveals

@aibd

Installation steps:

Note: Builds ships with stock firmware, no need to be on specific firmware version.

Source: Development [ROM][STABLE][tetris][14] /e/OS for CMF Phone 1