Problems after installing an operating system upgrade

[AC Question]

Hello, after installing this week a operating system upgrade on my Samsung Galaxy Note Pro 12 (Android 5.0.2), apparently apparently all Lecture Note notebooks are lost.

Any way to recover this information ? I have no copy.

Regards

 

[RogMoore]

It means that your device is not supporting the upgrade, wait until you get a supporting one.

 

[juanlasa]

Thanks RogMore
But, what can I do to recover the (apparently) deleted files ?
Thanks
JuanLasa