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2A. Device Basics 15
Device Basics
Turning Your Device Off
1. Press and hold for two seconds until you
see the
Phone options menu.
2. Tap (Power off) and then tap OK to power off
the device.
Your screen remains blank while your device is off
(unless the battery is charging).
Battery and Charger
Battery Capacity
Your device is equipped with a Lithium Ion (Li-Ion)
battery. It allows you to recharge your battery before it is
fully drained. The battery provides up to 6.5 hours of
continuous talk time.
At 10% of charge capacity, the battery icon blinks.
At 3% of charge capacity, there are only a few minutes
of talk time left, the device sounds an audible alert,
displays a critical charge icon ( ), then turns off.
Installing the Battery
ᮣ See “Setting Up Your Device” on page 2.
Removing the Battery
1. Make sure the power is off so that you don’t lose
any stored numbers or messages.
2. Grasp the device firmly, locate the cover release
latch, and then place your fingernail in the opening
and firmly “pop” the cover off the device.
3. Carefully remove the battery from the device.
WARNING: Use only Samsung-approved batteries and
chargers with your device. The failure to use a
Samsung-approved battery and charger may
increase the risk that your device will overheat,
catch fire or explode, resulting in serious bodily
injury, death or property damage.
Note: Long backlight settings, searching for service, vibrate
mode, browser use and other variables may reduce the
battery’s talk and standby times.
Tip: Watch your device’s battery level indicator and charge the
battery before it runs out of power.
WARNING: Do not handle a damaged or leaking Li-Ion
battery as you can be burned.
SPH-M820UM.book Page 15 Monday, May 2, 2011 4:56 PM