[O9A]

Whenever I use an Android device I usually just reinstall the OS with a custom rom removing anything unneeded in the process.

Good move.

Anything relative to Google, Is a privacy concern and needs serious customization to rid potential elements of tracking.

That is true, I remember reading a way to completely privatise your Android device but this also entailed removing certain hardware elements but it was quite in-depth, shame I can't find the link to the original post.