Samsung SPH-M520ZSAQST - Manual (Page 199)

Section 2J: Using Your Phone’s Built-in Media Player 173
Media P
layer
Ⅲ Press the Right navigation key to play the next song in your
playlist.
Ⅲ Press to play or pause the current song.
Note: The first time you access one of your Available Channels, you are
prompted to accept the its monthly fee (unless it’s a channel that
doesn’t have an associated monthly fee). Accepting the charge gives
you access to the channel for as long as you continue to pay the
monthly fee. If you accept the fee, the next time you access your
phone’s media player, this channel will appear in your My Channels
section.