Z221 User Manual
Confidential and Proprietary Information of ZTE CORPORATION 27
information.
A PUK code can only be entered10 times in a row. If you enter the wrong PUK code more than 10
times, the SIM card will be locked indefinitely.
Notes:
If a PUK code is supplied with the new card, please store it safely.
Fixed Dial Numbers
If you enable fixed dial numbers, you cannot dial phone numbers that are not in the FDN list.
FDN List
Allows you to create a list of fixed dial numbers.