User Guide

Appendix E Safety, handling, and support 187
Force an app to quit. From the Home screen, double-click the Home button and swipe upwards
on the app screen.
If you can’t turn o iPhone or if the problem continues, you may need to reset iPhone. Do this
only if you’re unable to restart iPhone.
Reset iPhone. Hold down the Sleep/Wake button and the Home button at the same time for at
least ten seconds, until the Apple logo appears.
You can reset the network settings, keyboard dictionary, home screen layout, and location and
privacy settings. You can also erase all of your content and settings.
Reset iPhone settings
Reset iPhone settings. Go to Settings > General > Reset, then choose an option:
•
Reset All Settings: All your preferences and settings are reset.
•
Erase All Content and Settings: Your information and settings are removed. iPhone cannot be
used until it’s set up again.
•
Reset Network Settings: When you reset network settings, previously used networks and VPN
settings that weren’t installed by a conguration prole are removed. (To remove VPN settings
installed by a conguration prole, go to Settings > General > Prole, select the prole, then
tap Remove. This also removes other settings or accounts provided by the prole.) Wi-Fi is
turned o and then back on, disconnecting you from any network you’re on. The Wi-Fi and
“Ask to Join Networks” settings remain turned on.
•
Reset Keyboard Dictionary: You add words to the keyboard dictionary by rejecting words
iPhone suggests as you type. Resetting the keyboard dictionary erases all words you’ve added.
•
Reset Home Screen Layout: Returns the built-in apps to their original layout on the
Home screen.
•
Reset Location & Privacy: Resets the location services and privacy settings to their defaults.
Get information about your iPhone
See information about iPhone. Go to Settings > General > About. The items you can view include:
•
Name
•
Network addresses
•
Number of songs, videos, photos, and apps
•
Capacity and available storage space
•
iOS version
•
Carrier
•
Model number
•
Serial number
•
Wi-Fi and Bluetooth addresses
•
IMEI (International Mobile Equipment Identity)
•
ICCID (Integrated Circuit Card Identier, or Smart Card) for GSM networks
•
MEID (Mobile Equipment Identier) for CDMA networks