Samsung SPH-a640 Series User Manual page 20

on the battery connect with the matching connectors in the
phone. Press down until the battery snaps into place.
3. Replace the cover plate.
Charging the Battery
Your phone's LiIon battery is rechargeable and should be charged as
soon as possible so you can begin using your phone.
Keeping track of your battery's charge is important. If your battery
level becomes too low, your phone automatically turns off and you
13 Getting Started