From the Home screen, tap Google folder > Gmail .
Swipe from the left side of the screen to open the Accounts & labels menu, then tap Settings.
Tap a Gmail an account to change the following settings for that specific account.
Inbox type: Sets your Inbox type. Choose Default Inbox or Priority Inbox.
Inbox categories: Sets where specific types of messages (e.g., messages from your social networks or promotional offers, etc.) are stored into Inbox categories.
Notifications: Checkmark to display notifications for new gmail messages.
Inbox sound & vibrate: Sets synchronization settings and notification settings.
Signature: Sets the signature you want to include with every outgoing email from this account.
Vacation responder: Sets up an automatic email to respond with when you’re out of the office (or otherwise unavailable). Tap the switch to turn it on, enter the dates for the responder, and enter the subject/message.
Sync Gmail: Checkmark to automatically sync your account.
Days of mail to sync: Sets how many days of email you want to sync.
Manage labels: Sets the sync and notification settings for each of your labels.
Download attachments: Checkmark to automatically download attachments to recent messages via Wi-Fi.
Images: Sets whether or not to display images attached to Gmail messages automatically. Choose Always show or Ask before showing.