If you have already lost your progress because you forgot to connect to Facebook or reinstalled the game:
: Regularly back up your entire phone configuration using Google Drive (Android) or iCloud (iOS) to preserve local app data caches. angry birds 2 save data free
Android devices can back up app data directly to Google Drive. Go to your phone's > System > Backup . Ensure that "Backup by Google One" is turned on. If you have already lost your progress because
This method has been tested and confirmed by players on both rooted and unrooted devices. Ensure that "Backup by Google One" is turned on
If you did not link your game to a cloud service and your progress suddenly disappeared, do not panic. Rovio’s support team can often manually restore lost accounts if you can provide specific details about your profile. Step 1: Locate Your Player ID
Instead of risking your device and your account, you can use the official, free cloud-saving mechanisms built directly into the game. How to Back Up Your Angry Birds 2 Save Data for Free