Boosters are saved directly in your device's memory, which always allows you to use them while playing offline. This also means that if you delete and reinstall the game, then Boosters can be lost.
It’s best not to store too many Boosters on your device, as there is a chance they may be lost, or affect the gameplay. But don’t worry, there are many ways to win more Boosters in the game!
We do not replace items that have not been purchased but if you have however lost purchased items, please report this to our Player Support team here, so they can help.
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