Samsung Galaxy Note5 User Manual page 212

The Gallery app opens.
2. Tap the pictures or videos you want to share.
To select multiple items, touch and hold an image to turn on multiple select. Tap all the items
l
you want to include.
3. Tap Share, and then on the sharing menu, tap Messages.
Follow the prompts to complete and send the message.
For more information about sending multimedia messages, see Send a Multimedia Message
(MMS).
Camera and Video 202