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Chapter 1 Activating and Setting Up iPhone 9
Preventing iPhone from Syncing Automatically
You may want to prevent iPhone from syncing automatically if you prefer to add items
to iPhone manually or when you connect iPhone to some other computer than the
main computer you sync iPhone with.
Set iTunes not to sync automatically when you connect iPhone
m Connect iPhone to your computer and in iTunes click the Summary tab. Then deselect
“Automatically sync when this iPhone is connected.” This also prevents iTunes from
opening automatically when you connect iPhone. You can still start a sync manually.
Set iTunes to prevent automatic syncing for all iPhones
m In iTunes choose iTunes > Preferences (on a Mac) or Edit > Preferences (on a PC),
then deselect “Disable automatic syncing for all iPhones.”
If this checkbox is selected, iPhone won’t sync automatically, even if “Automatically
sync” is selected in the Summary pane.
Prevent iPhone from syncing automatically one time, without changing
any settings
m Open iTunes. Then as you connect iPhone to your computer, press and hold Command-
Option (if you’re using a Mac) or Shift-Control (if you’re using a PC) until you see iPhone
in the iTunes Source pane.
Start a sync manually
m Click the Summary tab, then click Sync in the lower-right corner of the window.
Or, if you’ve changed any sync settings, click Apply.
Disconnecting iPhone from Your Computer
Unless iPhone is syncing with your computer, you can disconnect iPhone from your
computer at any time.
When iPhone is syncing with your computer, iPhone shows “Sync in progress.” If you
disconnect iPhone before it’s done syncing, some data may not have been transferred.
When iPhone is done syncing, iTunes shows “iPhone sync is complete.”
To cancel a sync so you can disconnect iPhone, drag the slider on iPhone. If you get a
call during a sync, the sync is canceled automatically and you can unplug iPhone to
answer the call. Connect iPhone after the call to finish syncing.