Using Your Phone's Charger - Samsung M620 - SPH UpStage Cell Phone Manual

To quickly unlock the phone:
Slide the Lock button back towards the FLIP button (seen
above) to unlock both the phone's keypad and
Navigation Pad. The phone returns to the previously
active screen.

Using Your Phone's Charger

Note: UpStage does not have a user-accessible battery compartment.
If a future technical issue ever arises surrounding the battery
(charge time, usage, or a dead battery condition), please
contact Sprint Customer Service at 1-888-211-4727.
Sprint- or manufacturer-approved accessories can be found at
Sprint Stores or through your phone's manufacturer, or call
1-866-343-1114 to order. They're also available at
www.sprint.com
Battery Capacity
Your phone is equipped with a pre-installed Lithium Polymer
battery. It allows you to recharge your battery before it is fully
drained. The battery provides up to 2.5 hours of continuous
digital talk time.
When the battery reaches 5% of its capacity, the battery icon
blinks. When there are approximately two minutes of talk
time left, the phone sounds an audible alert and then powers
down.
Note: Long backlight settings, searching for service, vibrate mode,
Bluetooth, and browser use will affect the battery's talk and
standby times.
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Section 2A: Phone Basics