Currently Being ModeratedDec 5, 2012 10:22 AM (in response to agiamiu)
This can be feature of faulty battery. But first you can try to Restore iPhone with iTunes 10.7 or 11 on computer. See if fixed. If still problem, there is full Warranty, make Genius reservation and take iPhone to Apple for resolution.
Currently Being ModeratedDec 5, 2012 10:28 AM (in response to brad805)
Thanks I will do this