Check Received Gmail Messages - Samsung Galaxy Note 5 User Manual

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Save as a draft (Send Later): While composing your message, tap More options
draft. The message is saved as a draft for later.
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Delete Mail Being Composed: In the mail composition window, tap More options
Discard.
Note: To view your draft email messages, in the inbox, tap Menu
Note: To view your sent messages, in the inbox, tap Menu

Check Received Gmail Messages

Your phone allows you to access, read, and reply to all your Gmail messages.
Open New Gmail Messages from Notifications
When new Gmail arrives, you will see
1. Drag the status bar down to display the notification panel.
2. Tap the new message from the notification panel.
 The new Gmail message opens.
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If you have two or more new Gmail messages, tapping the notification opens the Gmail inbox.
Open Gmail Messages from the Inbox
You can also read and reply to all your Gmail messages from the Gmail inbox.
Messaging and Internet
> Sent.
in the status bar.
> Save
> Discard >
> Drafts.
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