User's Manual

User Manual for NEC N5105
第 14 页
1.2 Connecting network
1.2.1 SIM card
Your network provider will provide you with a insertion SIM card(user identification card). SIM card is the
key for you to enter the GSM network. Before using the mobile phone, you must insert valid SIM card
into the mobile phone.
All information records related with network connection are in the SIM card, also including name, telephone
number and short message in the card. SIM card can also be take off from your mobile phone and insert into
any GSM mobile phone for use (new mobile phone automatically reads SIM card.).
To prevent from loss and damage on the information in the card, please avoid touching on metal plane area
and put the SIM at the site far from current and magnetism.
Warn：
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 connecting to
external power, or SIM card may be damaged.
。
1.2.2 SIM card insertion
Generally SIM card is put into a card, before installation, it must be taken out carefully.
 Turn off the mobile phone and remove the battery and other external power(See the picture below):
 ；Insert SIM card into the bottom of the connection card and ensure the metal plane is downward and
corner position is same to clamping slot corner(See the picture below);
 Push SIM card(See the picture below) , lock SIM card and install the battery;