Manage Syncing with Multiple Computers
Although you can certainly sync more than one iPhone to a single computer, the reverse of that—syncing one iPhone to multiple computers, isn't generally recommended by Apple. Should you ignore Apple's advice and connect your iPhone to a secondary computer, don't worry: no media or managed data will be selected for syncing in iTunes, so nothing can sync. However, if you enable a checkbox in the Ringtones, Music, Photos, Podcasts, Video, Applications, or Info tabs, you get a warning message, as described next.
Media
If you enable some sort of media syncing—such as music—(assuming you've previously synced music to your iPhone via the first computer), you get a message like the one in Figure 3-2.
Figure 3-2. This ...
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