Acer S100 - Manual (Page 29)

29 MMS messages
To reply to an SMS or MMS message, open the message from
the message list. Enter your text in the text box labeled Type to
compose. Press the Menu button to see available options.
MMS messages
MMS messages are similar to text messages but also allow you
to attach multimedia files such as pictures, audio or video clips.
Each MMS message can be up to 300 kB in size.
Note: You need to set up an MMS profile before you can send MMS
messages. Normally, your smartphone will set up the profile for you
based on information retrieved from your provider.
Tip: Ask your network provider for the necessary information if you
need to manually set up the MMS profile.
Icon Description
Convert the SMS to an MMS, allowing you to add a subject to
the message.
Convert the SMS to an MMS, allowing you to attach a file to the
message.
Open the Dialer to call the recipient.
Delete the thread.
Insert a smiley/emoticon into your message text.
Show other available options.
Send the message.