Samsung SPH-m330 User Manual page 16

Installing or Removing the Battery
To install or remove the LiIon battery:
1. Make sure the power is off so that you don't lose any stored numbers
or messages. Press down on the cover and slide it in the direction of
the arrow (1) and then carefully lift the battery cover away from the
phone (2).
2. To insert the battery, insert the battery into the opening on the back of the
phone at an angle (3), making sure the metal contacts on the battery connect
with the matching connectors in the phone. Press down until the battery
snaps into place (4).
Getting Started 9