Samsung SCH-R720 User Manual page 12

Charging the Battery
Your phone comes with a Wall/USB Charger (Charging Head and
USB cable) to rapidly charge your phone from any 120/220 VAC
outlet.
Note: The battery comes partially charged. You must fully charge the battery
before using your phone for the first time. A fully discharged battery
requires up to 4 hours of charge time.
After the first charge, you can use the phone while charging.
Connect the USB cable to the charging head.
1.
Charging Head
Incorrect
Correct
8
USB Cable
Insert the USB cable into the port.
2.
Incorrect
Plug the charging head into a standard AC power outlet.
3.
When charging is complete, unplug the charging head
4.
from the power outlet and remove the USB cable from the
phone.
Correct