I switched my Sprint S7 to FreedomPop and under about phone instead of my new phone number with FreedomPop it shows Unknown for the number. Does anyone know how to reprogram that? I swear I did it with my S5 when I sold it to my brother in law so it showed his Straight Talk number. I have the MSL code if it requires that but can't seem to get any codes to get into the programming menu to change the MDN. I tried Sprint chat but they wouldn't tell me the code used to program it, even though if I would have to manually program the phone to get it onto their network (potentially) they did outline that I would have a 6 digit code to enter to program the MDN as my phone number.