Arm macs are very hard to walk away from.

My dream is some of boot-to-Ubuntu setup, or even running it simultaneously.

If you can tell me what phone can give me access to all the standard apps I would need, has good build quality, doesn’t funnel my data to Google, is backed by an entity capable of providing multi-year device support, has cloud storage integration that lets me keep my data securely offloaded from the phone’s storage, can handle modern apps and websites as far as performance, has a very good camera, and has the equivalent of AppleCare such that if/when I shatter my screen I can replace it for $30, I am all ears.