Samsung Galaxy Prevail SPH-M820 User Manual page 31

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Correct
Always use a Samsung-approved desktop charger,
travel charger, or vehicle power adapter to charge your
battery.
Plug the flat end of the charger into the device's
charger jack and the other end into an electrical
outlet. The device turns on with the screen locked
Charging Head
With the Samsung-approved Li-Ion battery, you can
recharge the battery before it becomes completely run
down.
USB Cable
and indicates both its charge state and percent of
charge.
Correct
Incorrect
Charger/Accessory
Jack
2A. Device Basics 17