I use LineageOS without the google play (/media) services, which is the first huge step, then I also use as much from F-Droid as possible. Google is very stron

I use LineageOS without the google play (/media) services, which is the first huge step, then I also use as much from F-Droid as possible. Google is very strong in the data heavy areas. GMail, Calendar and especially GBoard and are extremely hard to replace, as are YouTube and Translate.