Power on phone
47*869#08#9 Enter 5 digit SID [STO] Local use: 1 [STO] MIN option: 1{STO] MIN: 10 digits [STO] SCM: 2 digits [STO] IPCH: 3 digits [STO] ACCOLC: 2 digits Pref. System: 0=b 1=a GID: 2 digits Lock code 3 digits Dual NAM: 0=disbale, 1=enable enabling dual NAM, the above steps repeat for 2nd NAM. 3 digit Emergency Number: 911 4 digits toll-free prefix: 1800