Samsung Phone users:
https://hackaday.com/2020/01/09/spyware-discovered-on-all-samsung-phones/
not much you can do about this (I won't recommend anybody inexperienced rooting their phone)
@Dane @0x56 There are phones, which try to give you both functionality and privacy. The one I use is powered by the /e/ OS. https://www.zdnet.com/article/the-e-google-free-pro-privacy-android-phone-runs-well-for-a-beta/