When you receive a text message with the Messaging app, you'll see in the status bar.
Read and reply to a message
Swipe the status bar down and touch .
To respond to the message, enter your response in the text box and touch .
Tips
You can save photos from messages. Touch & hold the attachment.
If you do not want multi-recipient SMS messages converted to MMS and want replies sent in separate conversations (threads) to you only, you can turn off group messaging.
Send new message
Touch > Messaging.
Touch .
Enter the recipient and your message. To send your message to a group, enter multiple recipients.
Optionally:
Touch to add a subject.
To attach a photo or video, touch .
To add a smiley or other icons, touch .
Touch .
TipTo text your best friend with one touch from your home screen, add a Direct message widget.
Forward a message
Touch > Messaging.
Open the conversation.
Touch & hold the message.
Touch Forward.
Delete messages
Single message: Open the conversation (thread) and touch & hold the message, then touch Delete.
All messages in a conversation: Open the conversation and touch > Delete thread.
All messages in the Messaging app: Go to your list of conversations and touch > Delete all threads. Be careful — there's no way to undo this.