You panic.
If your phone has less than 100MB free, the game cannot write cache or sync data. Clear space to restore functionality. angry birds 2 save data
In 2015, Rovio transitioned fully to server-side saving. This means your gem count, bird levels, arena rank, and hat collection live on Rovio’s servers. Your phone merely holds a "key" to access that server data. You panic
This guide covers everything you need to know about locating, backing up, transferring, and recovering your Angry Birds 2 save data across iOS, Android, and even PC emulators. The single most important fact to understand: Angry Birds 2 does not store your primary save file on your device. In 2015, Rovio transitioned fully to server-side saving
Don’t Let a Broken Phone Flatten Your Slingshot Progress.
Have you successfully recovered lost save data using a trick not listed here? Or are you currently staring at a Level 1 bird with no idea how to get your old account back? Sound off in the comments below.