Scenario: different fields
Scenario: same field
Reset
Phone A
airplane mode
phone
city
Phone B
airplane mode
phone
city
Newest save wins, whole card.
The phone that saved last replaces everything.
Newest save wins, per field.
Each field comes from whichever phone edited it last.
Compare with the base, flag clashes.
Keep every change; ask a person only if both changed the same field.
Reconnect and sync
Server after sync
field
value
came from
Base card: phone 555-0100, city Lisbon. Try each rule on both scenarios and compare.