Android

unfortunately, none of these steps will ensure that your device is clean from AI, but it will dramatically limit how much you see it in your day-to-day.

disable Digital Assistant

go to Settings
go to Apps
go to Default apps
go to Digital assistant app
select None

disable Gemini

go to Settings
go to Apps
click the the dots in the top right corner
click Show system
click the search button, type in Gemini and open it
click Disable

remove Digital Assistant gesture

if your phone has a gesture that activates the assistant, try these steps. bear in mind that your phone may have slightly different options.

go to Settings
go to Gestures
go to Press and hold power button
replace Digital assistant with Power menu

disable AI Circle Search

bear in mind that your phone may have slightly different options.

go to Settings
go to Intelligent assistance
go to AI Circle Search
toggle AI Circle Search to off

degoogle

most android devices come shipped with many Google apps that have AI features baked in, one option to escape this is to install alternative operating systems like GrapheneOS if your device supports it.

disclaimer: this option requires technical know-how and may result in some phone features being disabled.