Warn: be sure to power off the phone and remove external power
before removing the battery. Never remove the battery directly when
the phone is on, otherwise the SIM card and phone may be damaged.
2.3 Battery charging
Plug the charger into power outlet.
Plug the interface of the charger into the charger socket on the side of the
phone.
Then, indication of power level will be scrolled out on the icon area of the
phone screen system; if the phone is powered off while being charged, the
charging indication animation will appear on the screen, indicating the phone
is being charged, as shown in the figure:
