Operation Manual
Erase all content and settings: Connect iPod touch to your computer or a power
adapter. Choose General > Reset and tap “Erase All Content and Settings.”
This resets all settings to their defaults and erases all your information and media:
 On iPod touch 3rd generation or later: by removing the encryption key to the data
(which is encrypted using 256-bit AES encryption)
 On iPod touch 2nd generation: by overwriting the data
Important: You can’t use iPod touch while data is being overwritten. This can take
up to four hours or more, depending on the model and storage capacity of your
iPod touch. (On iPod touch 3rd generation or later, the encryption key is removed
immediately.)
Reset network settings: Choose General > Reset and tap Reset Network Settings.
When you reset network settings, your list of previously used networks and VPN
settings not installed by a conguration prole are removed. 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 are left turned on.
To remove VPN settings installed by a conguration prole, choose Settings > General >
Prole, then select the prole and tap Remove.
Reset the keyboard dictionary: Choose General > Reset and tap Reset Keyboard
Dictionary.
You add words to the keyboard dictionary by rejecting words iPod touch suggests
as you type. Tap a word to reject the correction and add the word to the keyboard
dictionary. Resetting the keyboard dictionary erases all words you’ve added.
Reset the Home screen layout: Choose General > Reset and tap Reset Home Screen
Layout.
Reset location warnings: Choose General > Reset and tap Reset Location Warnings.
Location warnings are requests made by apps (such as Maps) to use location services.
iPod touch presents a location warning for an app the rst time the app makes a
request to use location services. If you tap Cancel in response to the request, the
request isn’t presented again. To reset the location warnings so that you get a request
for each app again, tap Reset Location Warnings.
Music
Music settings apply to songs, podcasts, and audiobooks.
Turn Shake to Shue on or o: Choose Music, then turn Shake to Shue on or o.
When Shake to Shue is on, you can shake iPod touch to shue and immediately
change the currently playing song.
171
Chapter 23 Settings