N3306 User manual
第
12
页
practice, the work duration of battery will vary with the different network state, work environment and use
mode.
Please deal with the battery according to local regulations; do not take it as the life waste.
1.1.4
Indication of battery capacity
When the mobile phone powers on, the level of battery capacity displays on the top left corner of the
screen. The residual power capacity is represented by indication bars from one to four levels.
1.2
Connection of network
1.2.1
SIM card
Your network provider will provide you with a plug-in type of SIM card (user identification card). SIM
card is the key for you to enter the digital GSM network.
Before using the mobile phone, you must insert
valid SIM card into the mobile phone.
All information related with network connection records in the SIM card, also including name, telephone
number and short message. SIM card can also be taken out from your mobile phone and insert into any GSM
mobile phone for use (new mobile phone automatically identifies SIM card.).
To prevent from loss and damage on the information in the card, please avoid touching the metal plat
area and keep the SIM far from electric and magnetic field. You can not enter the GSM network as the SIM
card damages.
Warning:
Before taking out SIM card, the mobile phone must be turned off. It
is absolutely prohibited to insert into or take out SIM card when the phone is
connecting to external power, otherwise SIM card may be damaged.
1.2.2
Insertion of SIM card
Generally SIM card is put into a card, and it must be taken out carefully before installation.
Turn off the mobile phone and remove the battery and other external power.
Insert SIM card into the bottom of lugs and ensure the metal plane area is downward and the position of
its corner is the same as which of clamping slot’s corner;
Push SIM card , lock SIM card and install the battery;
If you need take out SIM card, please first turn off mobile phone and take out the battery, then remove
SIM card.
1.2.3
Unlocking of SIM card
To prevent from illegal use, SIM card adopts PIN (personal identification number) code to encrypt for
protection. When this function is selected (refer to section 4.5.1), each time you turn on the mobile phone, you
must input PIN code to unlock SIM card for sending or answering calls. A user can also relieve SIM card
protection (refer to section 4.5.1). In this case, SIM card is not prevented from illegal use.
Long press
Pwr
to turn on the mobile phone;
Input PIN code, tap
OK
or press camera key to confirm. For example: if PIN is set as 1234, then input as
following:
1 2 3 4 OK
. If you continue inputting wrong code for three times, then your SIM card will
be locked. The mobile phone will query PUK code. (Please refer to the instruction of SIM card.)