iPod 
About the security content of iOS 4.2
This document describes the security content of iOS 4.2, which can be downloaded and installed using iTunes.
About the security content of the iOS 4.0.2 Update for iPhone and iPod touch
This document describes the security content of iOS 4.0.2 Update for iPhone and iPod touch, which can be downloaded and installed using iTunes.
How to eject an iPod
In some cases, you need to eject your iPod from your computer before you unplug the USB cable.
Apple logo with progress bar after updating or restoring iPhone, iPad, or iPod touch from backup
After you update iOS, restore from a backup, or erase your iPhone, iPad, or iPod touch, your device displays the Apple logo with a progress bar.
Sign in to iCloud, iTunes, and other Apple services on your devices
Your Apple ID is the personal account you use to access all Apple services and Apple apps. Use these steps to sign in or check the Apple ID already signed in to your account.
Find a missing FaceTime app
If you can’t find the FaceTime app on your iPhone, iPad or iPod touch, these steps can help.
Set up iCloud Drive on all of your devices
Documents you store in iCloud Drive will be kept up to date across all of your devices, and you can access them from your iPhone, iPad, iPod touch, Mac, or PC, or on iCloud.com.
Get help with Passbook in iOS
If your passes aren’t updating or syncing on your iPhone or iPod touch, or if you need help with alerts, follow these steps.
