someone happend this problem before? after the screen timeout , and i want to use my Samsung Galaxy S3 , i press the button at right of my iphone, and when i touch the screen , the rippling water effect ir's slow about 5 - 10 second, and back to normal again, is this normal? or someone have solution about this ? please help , i will Thanks to you if you really can solved my problem or giving a comment or solution ... Thanks