Samsung SPH-I330 Online User's Manual page 29

Make sure the power is off so that you don't lose any stored numbers
1.
or messages.
Push the battery release latch up and pull the battery away from the
2.
phone at a 45 degree angle.
Charging the Battery
Your PCS Phone comes with a rechargeable battery. You should charge
the battery 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'll lose
everything you were just working on. For a quick check of your phone's
battery level, glance at the battery charge indicator located in the upper-
right corner of your phone's display screen. If the battery charge is
getting too low, the battery icon (
warning tone.
There is also an internal backup battery that saves all the settings in the
phone when the regular battery is discharged. An internal backup battery
needs to be charged initially for 24 hours. To make sure the internal
battery is charged, do not disconnect the main battery from the phone for
24 hours.
Note:
The internal battery will maintain data for 15 hours.
) blinks and t he phone sounds a
Section 2: Understanding Your Phone
2A: Your PCS Phone - The Basics 25