After thousands of words and technical deep dives, the ultimate answer to the search is this:
If you have lost your data, you can attempt to recover it by: angry birds 2 save data free
in the game settings to force a sync. Note that if you are not signed in, this button may not actually save data to a remote server. After thousands of words and technical deep dives,
Apple’s Game Center works identically but is more fragile. It frequently logs you out during updates. angry birds 2 save data free