Charge the battery
1. Plug the charger into a
wall outlet.
13
2. Connect the charger to
the phone. See 3 on page
58. When done, unplug
the charger from the
phone, then from the wall
outlet.
Tip: You can use USB
charging when a wall
outlet is not available.
Data can be transferred
while charging the device.
The efficiency of USB
charging power varies
significantly, and it may
take a long time for
charging to start and the
device to start
functioning.