Earlier quoted context omitted.
For a desktop OS, try OpenBSD, Slackware Linux, Debian, or Arch Linux, or if those are too obtuse (they can be difficult for the uninitiated to get into) try Ubuntu or Linux Mint. If you go with Ubuntu you'll want to go to the Security & Privacy tab and disable online search results and tracking. For a smartphone, you have to dig back into the past and find a Nokia N900 or an old-school BlackBerry; anything based on…
What about an Android phone running a AOSP variant without Google Services?
https://blog.torproject.org/blog/mission-impossible-hardenin...