If you are concerned about the size of your data downloads, check the multimedia message size first before you download it.
in MMS settings is disabled, only the message header is downloaded. To download the entire message, tap the Download
button at the right side of the message.
If there’s a media attachment such as a photo or video in a received message, tap it to view the content.
If the attachment is a contact (vCard), tap it to view the contact information, then tap Save to add to your contacts.
If the attachment is an appointment or event (vCalendar), tap it to choose the calendar where to save it, and then tap Import.
To save the attachment to your storage card, press and hold the multimedia message, and then choose to save the type of attachment from the options menu.