Follow the steps below to setup Google Sync on your iPhone, iPad, or iPod Touch.
Requirements and Backing Up Data1.Google Sync is only supported on Apple iOS versions 3.0 and above. You can check your current version by going to Settings > General > About > Version. If you're running an iOS before 3.0, upgrade to the latest iOS on Apple's site: http://www.apple.com/ios/ before setting up Google Sync.
2. Perform a sync with iTunes to ensure that Contacts and Calendars from your iOS device are backed up to your computer. Learn more about backing up your Contacts and Calendars.
3. If your business, school, or organization uses Google Apps, your administrator will first need to enable Google Sync before you can take advantage of this feature. Note that if you enable Google Sync, your administrator may also have additional remote management capabilities (such as remote wipe or password requirements). Click to learn more or contact your administrator.
Getting Started1. Open the Settings application on your device's home screen.
2. Open Mail, Contacts, Calendars.
3. Press Add Account....
4. Select Microsoft Exchange. iOS 4.0+ allows multiple Exchange accounts. However, if you're on a device that doesn't let you add a second account, you could also use CalDAV to sync Google Calendar and IMAPto sync Gmail.
Enter Account Info5. In the Email field, enter your full Google Account email address. If you use an @googlemail.com address, you may see an "Unable to verify certificate" warning when you proceed to the next step.
6. Leave the Domain field blank.
7. Enter your full Google Account email address as the Username.
8. Enter your Google Account password as the Password. (If you are a 2-step verification user, please use an application-specific password instead.)
9. Tap Next at the top of your screen.
9a. Choose Cancel if the Unable to Verify Certificate dialog appears.
10. When the new Server field appears, enter m.google.com.
11. Press Next at the top of your screen again.