Nokia Lumia 900 User Manual page 41

You can send text messages that are longer than the character limit for a single message.
Longer messages are sent as two or more messages. Your service provider may charge
accordingly.
Characters with accents, other marks, or some language options, take more space,
limiting the number of characters that can be sent in a single message.
Using services or downloading content may cause transfer of large amounts of data,
which may result in data traffic costs.
Send a message
With text and multimedia messages, you can quickly contact your friends and family.
In a multimedia message, you can attach your pictures.
Select
.
1 Select .
2 Select to add a recipient from your contacts list, or type in the phone number.
You can add more than one recipient.
3 Select the message field, then write your message.
4 To add an attachment, select
5 Select .
Reply to a message
1 Select the conversation containing the message.
2 Select the message field, write your reply, then select
Forward a message
1 Select the conversation containing the message.
2 Select and hold the message, then select forward.
3 Select to add a recipient from your contacts list, or type in the phone number.
4 Select .
Sending a message with an attachment may be more expensive than sending a normal
text message. For more info, contact your service provider.
If the item you insert in a multimedia message is too large for the network, the device
may automatically reduce the size.
Only compatible devices can receive and display multimedia messages. Messages may
look different in different devices.
and the file.
Messaging & mail
.
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