How should Samsung mobile phone send MMS?

At present, most Samsung mobile phones listed on the market use Android operating system. The method of sending MMS by Android operating system is as follows:

Open SMS-Edit-Add attachments, such as pictures, contacts, etc. , and then you can switch to MMS mode.

Note: If you need to send multimedia messages in groups: Information-Edit Information-Click to enter the avatar on the right side of the contact-Select the required contact and tick it, then add attachments-Send.