If I plug an iPhone that's running an old version of iOS into a computer with iTunes, will iOS on the iPhone automatically update when the phone is plugged in?
IOS – Does plugging iPhone into iTunes automatically update iOS
iosiphoneitunessoftwaresoftware-update
Related Solutions
There are two viable options to prevent backing up to any computer.
- Turn on iCloud backup and any iTunes will know not to make a duplicate back up and just get on with syncing.
- Lock your device with a passcode so that no matter what the computer asks, the device won't enable a sync/backup session until the passcode has been entered.
You can also set a "don't sync" bit on a per iOS device, but that may not be respected by some computers and also won't help if the operator of the computer wants to try to save any information it can access. I'm fairly certain your photo roll is safe if you use the passcode option, but you might want to test that if you have any sensitive photos in the camera roll.
Eject the device.
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Best Answer
No, your iPhone won't automatically update its software when connected to iTunes. You get an alert that your iPhone can be updated to newer version of iOS, but you can just close out of the window that the alert is in. Your iPhone may, however, automatically sync with iTunes when connected to your computer, but this can be disabled by unchecking a box in iTunes.