Installation of e/OS on CMF Phone 1

Hello @poveropaoletto, Welcome to the /e/ users forum.

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i can’t understand what you say :

i can’t see that in instructions : Install /e/OS on a Nothing Nothing CMF Phone 1 - “tetris”
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if you need to downgrade you firmware base to Android 14, you can follow : GitHub - spike0en/nothing_archive: This project indexes and preserves full firmware, and OTA update links for Nothing and CMF devices, sourced directly from official OEM servers while generating unmodified stock OTA images.
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to install /e/, follow this :

where you can read :