Open the cell phone. Under the lid (or under the battery) is glued a small white paper with a red strip. If you lick it, it will be red. They slipped? And it wasn’t necessary to do this, it’s an indicator of moisture getting into the phone. It will not be taken under guarantee. In order to find out whether the body background was drowned into the water or not, there is no need to conduct an examination, especially several days. This is visible during the inspection and is checked first to form a rejection. if the phone was melted, and at the same time hide the curious who lick everything in a row.