Samsung SPHA920 Phone Manual page 50

Installing the Battery
To install the Li-Ion battery:
To install, insert the battery into the opening on the
back of the phone and gently press down until the latch
snaps into place.
Removing the Battery
To remove your battery:
1.
Make sure the power is off so that you don't lose any
stored numbers or messages.
2.
Press the battery release latch up and remove the
battery from the phone at a 45-degree angle.
26 Section 2A: Your Sprint PCS Phone: The Basics