How-To Guide

2.5 Security code
You can use this section describes the access password to prevent
unauthorized use your SIM card。
2.5.1 PIN number
To prevent user SIM card is illegal us。If your phone has started
the PIN protection function，After startup, the screen will display
input PIN。If three consecutive input the wrong PIN number，SIM
card will be automatically locked。You must enter the PUK code
to unlock。PIN code associated with the SIM card，and has nothing
to do with the phone，PIN number provided by the network
operator。
2.5.2 PUK number
PUK code is unlock code，Used as unlock for three
consecutive error input PIN lock the SIM card。If the total input
wrong PUK code 10 times，SIM card will fail。PIN number
provided by the network operator。