Originally Posted by John Clark
Yellow smiley means new message.
Smiley with a clock means message delivered but not read.
Smiley with 3 small arc'd lines means message sent but not delivered to device.
The "D" on the checkmark means message delivered to recipients handheld.
The "R" on the checkmark means the message has been read.
A clock in place of the checkmark means your message hasn't been sent yet.
What else is there?
Yep, think that about sums it up..