Or to put it another way...

If I opted to try out a new version of iOS on my iPad and then reverted back to the previous version I would:

- make sure a backup had happened
- install the test version of iOS
- revert back to the old version of iOS
- restore the backup

At which point my iPad, its apps and all their data would be back to exactly as it was before installing the test version of iOS.

Does the cloud side of Android mean that the same would happen if I did the same on Android ?
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Remind me to change my signature to something more interesting someday