This article provide information about what is mobile network locking and how to generate network unlock codes for smartphone. Brief information about gsm network locking and unlocking and cdma network locking and unlocking. Most of the mobile company use network named Gsm/ globle system for mobile and cdma/ code division multiple access. And now latest 4g lte / long term evolution. Sprint mobile company use cdma network and Verizon also use cdma network. It is said that to buil...