Welcome to the Candy Crush Saga Community
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Hey there, welcome to the forum; deleting the game is a no-no if you expected to keep the boosters.
There's a bit of bad news about that (see here for details); & anyone else coming thru later on might put it a bit differently, but you're basically SOL about that.
If you bought anything (hope you didn't), go here & provide all details.
Boosters (especially colour bombs) are somewhat easy to earn (or at least they were), but it would be nice if the powers that be took care of that problem...
Hi and Welcome to our Community
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 and just saved Levels.
It’s best not to store too many Boosters on your device, as there is a chance they may be lost, or affect the game play. and save your game in Facebook and King Account.
Please read links bellow about lose booster!