On many Android phones you can legitimately unlock your bootloader and load whatever software you please. F-Droid does support this fully automatic app install

On many Android phones you can legitimately unlock your bootloader and load whatever software you please. F-Droid does support this fully automatic app installs and updates, see: https://f-droid.org/wiki/page/Installing_F-Droid_as_a_system-app https://f-droid.org/wiki/page/Installing_F-Droid_as_a_system... https://f-droid.org/wiki/page/org.fdroid.fdroid.privileged https://f-droid.org/wiki/page/org.fdroid.fdroid.privileged If you say "most people won't bother" - that's true, but most people will gladly tick the unknown sources box too for pre-release or pirated apps already.