That's my iphone 4s thats the sec time it do that please i need help on this i need to know what is the problem ! thats a shake screen not broken
Hi On the iPhone hold down the Sleep/Wake Button and Home button together until the Apple Logo shows. Then On seeing this Apple Logo release both buttons ,and the iPhone will reset , which has been known to clear most glitches. If that fails try a restore via iTunes and set it up as a new device. Failing that seek assistance at your most local store via a Genius Bar Appointment.