All is in the title
We have a mobile app that run on IOS.
This app is a simple customer satisfaction survey for an car brand.
Every customer can answer to a satisfaction survey. Each survey are stored in a SQLLITE DB. This db is synchronzed with a remote DB by a button in the app's admin screen (because the app is not always connected).
The point is : If my client uninstal the app (for an update or whatever) , it's destroy the SQLLITE DB, and if the admin of the app doesn't synchronize it... The data for the past day are lost.
My question is
How to keep this DB after uninstal the app ?
Thank you for advice or help