Sprint Nextel ic502 - Manual (Page 32)

18 Section 1B: Your Phone: The Basics
3. Allow the battery door to pop up, and remove it from
the back of your phone.
4. Insert the top of the battery into the battery area. Be
sure the gold-colored areas on the battery and on the
phone are touching.
5. Press the battery down to secure it.
6. Replace the battery door and press it gently until you
hear a click.