Samsung Galaxy Note 3 User Manual page 18

2. Connect the USB 3.0 cable to the charging head, then
plug the charging head into a standard AC power
outlet.
3. When charging is complete, unplug the charging head
from the power outlet and remove the USB cable from
the device.
4. If you are using the older style USB 2.0 cable to charge
the battery, plug the flat end of the cable into the port
on the right side as shown.
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Important! You must fully charge the battery before using your
phone for the first time. A discharged battery
recharges fully in approximately 4 hours.