Samsung SPH-A880TSAQST - Manual (Page 33)

Section 2A: Your Phone: The Basics 25
Phone Basics
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. Push the release button up located at the top of
the battery.
3. Pull the battery away and remove from the phone at a
45-degree angle.