Last week we went constantly from without external cause.
Sent to repair service on Amazon.
Today reply:
"Product not repaired!
In the present device is to prevent damage to the board as a result of corrosion damage. As you can see even from the terms of warranty of the manufacturer, this does not guarantee for damage caused by moisture. Corrosion damage, nor charge repairs under the warranty. "
Samsung - thank you for this great device!