HTC One Remix - Manual (Page 135)

5. Tap the button below the To field, and then select how you want to
send the group message.
Individual
messages Your message will be sent to the recipients as
individual text message. Your recipients will not
see anyone on the list and can reply only to you.
Group
conversation
Similar to a group chat, sending a group MMS lets
your recipients join the conversation you've
started. HTC One remix also organizes message
replies in a single conversation thread. If this is
your first time to send a group MMS, you may
need to enter your mobile phone number.
6. Tap the box that says Add text, then enter your message.
7. Tap .
Resuming a draft message
If you switch to another app or if you receive an incoming call while
composing a text message, the message is automatically saved as a draft.
Open a draft message right from the All messages screen, edit the
message, and then tap
.
To see all draft messages in one place, tap on the Messages
screen, and then tap Drafts.
Messages 135