If an app gets uninstalled and then reinstalled, Google Analytics will have to create a new unique identifier on the device instead of matching the session as coming from a returning user.

Question

Quizplus · Accepted Answer

When an app is uninstalled, the unique identifier associated with it is typically deleted. Upon reinstallation, a new identifier is created, making it difficult for Google Analytics to recognize the user as returning.

If an App Gets Uninstalled and Then Reinstalled, Google Analytics