HT4623: Update your iPhone, iPad, or iPod touchLearn about Update your iPhone, iPad, or iPod touch
Currently Being ModeratedDec 13, 2012 2:29 PM (in response to Miller2934)
a reset, hold down the home/power button together until you see the apple logo and then release, then wait for the phone to boot back up.
Currently Being ModeratedDec 13, 2012 2:32 PM (in response to Miller2934)
Connect the phone with a known good charger and plug into wall outlet. Let charge for at least 5-10min.
Reboot the device by pressing and holding down the home and sleep/wake buttons (power) at the same time until the apple logo appears on the screen, then let go.