Enable Gmail Push for Google Calendar

Enable Gmail Push for an Existing Google Calendar Account in iPhone


To enable mail synchronization for a Google Calendar account you've added to iPhone Calendar:


Tap Settings on the iPhone Home screen.
Select Mail, Contacts, Calendars.
Tap the Google Calendar account under Accounts.
Make sure ON is selected for Mail.
Press the Home button.

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Setup Gmail Exchange Account on iPhone

Steps to setup exchange account for Gmail on iPhone..



Tap Settings on the iPhone Home screen.
Go to Mail, Contacts, Calendars.
Tap Add Account... under Accounts.
If you have already set up Google Calendar sync in iPhone Calendar, see below.
Choose Microsoft Exchange.
Enter your Gmail address ("example@gmail.com", for example) under Email.
Tap "m.google.com" (not including the quotation marks) under Domain.
Now tap your full Gmail address under Username.
Enter your Google Calendar password under Password.
Optionally, tap "Gmail" under Description.
Tap Next.
Choose Accept if the iPhone is unable to verify the "gmail.com" certificate.
Enter "m.google.com" under Server.
Tap Next again.
Make sure Mail is ON.
Turn ON Calendars if you want iPhone Calendar to sync with Google Calendar; note that iPhone Calendar can synchronize only with one calendar source, and Google Calendar will replace an existing MobileMe or, iCal or Exchange calendar.
Turn ON Contacts only if you have copied your existing contacts to Gmail. Otherwise, your existing iPhone address book will be replaced with your Gmail contacts.
Tap Done.

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