Open "Messages" app : - select a recent contact, or - tap on "Start chat", - type a name, a phone number or email, or - swipe the screen upward to select one contact or more from the list, and - to join an animated GIF, share your location or a contact, tap on (View5, View5 Plus, Power U10, U20, U30), - to take or join one or several photos/videos tap on , - add text, if needed, - tap onto send or onto go to delete.
To send an SMS/MMS to several contacts: Open "Messages" app , - tap on "Démarrer une discussion", - tap on "Start chat", - select the contacts, - tap on "Next" to validate, - name this group and/or tap on , - type your message, - tap onto send or onto go to delete.