iOS: Not responding or does not turn on   Your iPhone, iPad, or
iPod touch may occasionally stop responding to buttons,
switches, or touchscreen input and may exhibit one or more of
these symptoms:    • Does not return to the Home screen after
you press the Home button   • Does not wake from sleep after you
press the Sleep/Wake button   • Does not turn on (or power on)
when you press any button   • Does not start up past Apple logo
• Appears frozen or unresponsive   • Is unable to "Slide to
Unlock" or "Slide to Power Off"     1. If a single application
is not responding or stops responding when it opens, you
can force it to close.   2. If the device is unresponsive or if
certain controls aren't working as expected, restart your
device.   3. If the device remains unresponsive or does not turn
on (or power on), reset your device.   4. If there is no video
or if the screen remains black, verify that the device has
enough charge to turn on:     1. If you are using an iPad,
ensure that it's connected to the USB