Press ## followed by the 6-digit Master Subsidy Lock (MSL) code, followed by an additional #.
The last # entered will not show on the display.
The Service Program screen will be displayed, highlighted on View.
Handle the MSL with extreme caution.
When it must be shared with the customer, refer to it as a six-digit number instead of MSL.
Scroll down to Edit.
Enter MDN screen will be displayed.
Enter the 10-digit MDN.
Enter MSID screen will be displayed.
Note: Entering the numbers will clear out any numbers that are currently in the phone.
Enter the 10-digit MSID.
Do not enter the five 0’s preceding the MSID displayed in CSM.
This will take you back to the original Service Program screen.
Scroll down to Done.
The phone will turn off and turn back on and voice programming is complete
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