N3306 User manual第 13 页Note: Your network operator will set a standard PIN number (from 4 bits to 8 bits) you’re your SIM card; youshould change it to your private password as rapidly as possible. Please refer to section 4.5.2.1.2.4 Connection to networkAfter SIM card is decrypted successfully, the mobile phone will search your registered network or localavailable network automatically (It will display “network is connecting, please wait for a while” in the screen).Once the connection is successful, the network sign for the network operator will appear on the top of thescreen. At present, your mobile phone is in idle status; you can send or answer calls.1.3 Insertion of memory cardBefore inserting, please push the memory card block as the direction on it, then open it as follows:Insert the memory card as follows:Close the card block as follows, and then lock it: