PIN and PUK
PIN Code
PIN code could protect your UIM card from illegal use. When PIN lock is on, you should enter the PIN
code when powering on the phone. The network provider offers you PIN code. You should change PIN
code as soon as possible for security.
PUK Code
Consecutive inputting wrong PIN code for three times will cause locking of UIM card. To unlock, you
need PUK code.
Notes:
PIN code and PUK code may be offered together with the UIM card. If not, please contact your network
service provider. Please change default PIN code to your own as soon as possible.
Confidential and Proprietary Information of ZTE CORPORATION 11