HT1808: If you can't update or restore your iOS deviceLearn about If you can't update or restore your iOS device
Currently Being ModeratedFeb 7, 2013 7:24 PM (in response to annzababy)
Different chargers? Have you tried a different cable? How old is it and what model.
Have you tried a reset?
Press and hold the Home and On/Off buttons simultaneously until you see the Apple logo, then release. This may take up to 10 seconds. This is the equivalent of a re-boot and you will not lose any data.