Go to Settings, and then tap
Accounts & sync.
On/Off switch to turn automatic sync of all your accounts on or off.
To manually sync individual accounts, tap an account type, and then do one of the following:
Account settings screen.
- If multiple accounts are supported (such as for Exchange
ActiveSync®), tap beside the account you want to sync, and then tap
Tip: On the
Account settings screen, you can also change the sync settings for an account.