neiltholland If I install GrapheneOS on my Picel 6a is there some facility to migrate all of my data to this new installation? ie. SMS texts, contacts, etc.
wonder75 "Export Contacts" allows you to save your contacts. https://f-droid.org/de/packages/am.ed.exportcontacts/ "SMS Import / Export" imports and exports SMS and MMS messages, call logs, and contacts. https://f-droid.org/de/packages/com.github.tmo1.sms_ie/ "Calendar Import-Export" allows you to import/export your calenders using ics files without using Google synchronization services. https://f-droid.org/de/packages/org.sufficientlysecure.ical/