Here is how to get your MSL.
Step 1: dial ##3282#
Step 2: select "EDIT"
Step 3: Type in any digit code then click OK and you should see a message said " Invalid Lock Code"
Step 4: Exit out and go to Play Store and download an app called "connectbot" made by Kenny root and jeffery sharkey
Step 5: download and install, open the app next, next, next,
Step 6: the main interface you should see " ssh, then an arrow pointing down", username@hostnameot
Step 7: tap on ssh and select local, put any nick you like
Step 8: type this command with out the quotation mark " getprop ril.MSL " then click enter and you'll see a
six digit number and that is your MSL............yeah you done it!
Note: U must follow step 1 to 3 in order for this to work ( high important "
the easy way is to call sprint and ask... if thye don't give it to you activate your phone again online and they'll give you the "programming code"