It seems that the Galaxy S7 has a hidden feature in fact, this feature could save a lot of smart phones, may help correct a lot of people's mistakes, Galaxy S7 and S7 Edge will alert the user and warn him not to charge the phone or put it in the charger if wet device.
According to a user if the device is placed in the water and then you want to ship will show you a message saying that the shipping port is still wet and you should wait until it dries, it seems that there are sensors built-in Mananvz shipping prevent phone from the same destruction and this is guarantee you safety phone at least .