

If she can’t install a custom ROM, then replace the Google apps with FLOSS alternatives: F-Droid/Aurora Store, OSMAnd/Organic Maps, Fossify apps (for Contacts, Phone, Carrier messaging, Calendar etc.), Fennec. This is a list made by Tuta: https://tuta.com/blog/degoogle-list
Every 5 years. For next year, I want to buy a custom Android (GrapheneOS - Motorola, or Degogled Android/Ubuntu Touch - Volla, or Fairphone with /e/ os), I will see.