From a Home screen, navigate: Apps > Settings. These instructions apply to Standard mode only.
From the Account section, tap Accounts.
Tap Google.
Tap the applicable email account.
Select the appropriate data synchronization options (e.g., Sync Contacts, Sync Gmail, Sync Calendar, etc.) to enable or disable. Enabled when a check mark is present.
To perform a manual synchronization, tap the Menu icon (located in the upper-right) then tap Sync now.