8
The working time of battery depends on network status, environment and operating method
in practice.
Make sure the battery is installed properly before charging and you can’t remove the battery
in charging process.
Disconnect the charger from mobile phone and power supply after charging.
If you don’t disconnect the charger from power supply and mobile phone, the mobile phone
will be charged again after a long time (about 5 to 8 hours) and the energy of the battery is
wasted to a certain degree. It is not recommended because it will do harm to the performance
and service life of the battery.
2.4 Connecting to network
2.4.1 SIM card
You must insert one valid SIM card before using your mobile phone. SIM card is the key
for you to access digital GSM/GPRS network.
All information about network connection and call initialization, as well as the names
and telephone numbers of Contacts and short messages you have received and saved
are recorded in the metal surface area of the SIM card. You can remove the SIM card
from your mobile phone and insert it into any other GSM mobile phone (the new mobile
phone will read the SIM card automatically).
Do not touch the metal surface area and keep the SIM card away from electricity and
magnetism to avoid losing or damaging the information saved in SIM card. You can’t
access GSM/GPRS network if the SIM card is damaged.
Warning: Please switch off the mobile phone before removing SIM card. Inserting or
removing SIM card with external power supply is prohibited, otherwise the SIM card may
be damaged.
2.4.2 Installing/removing SIM card
The SIM card is usually stored in a card and you need to take it out carefully before
installing.
Turn off the mobile phone and remove battery and external power supply.
Insert the SIM card into the slot.
Notice: Please turn off the mobile phone and remove the battery before removing the SIM