15
charging times,this is normal.If you charge your
battery regularly and notice a decrease in talk time
or an increase in charging time, then it is the time
to purchase a new battery.
2.3 Connect Network
2.3.1
SIM Card
Before use your mobile you must insert valid SIM
(subscriber identity module) card which is offered by
network operator.
With the SIM card, storing many parameters
required for communications, you can use the various
functions of the device, and save personal information,
including PIN (Personal Identification Number),
phonebook, short message and other extra system
services.
Warning: The phone must power off before remove
SIM card. Please don’t touch the metal
interface of card, and place the card far from
electricity and magnetism.
2.3.2
Insert and Remove SIM Card
The metal interface contact of SIM card is easily