Working Cab for Sprint which restores carrier provisions such as Update PRL, Update Profile, ## Commands ect. Retrieved from here:
http://forum.ppcgeeks.com/showthread.php?t=93926
Installed on 21864 Build, worked for me-should work for you
Install-Restart
Start-Settings-Connections
Update PRL and Update Profile
After updating PRL you might lose data connection.
Go to Comm Manager-Turn On Airplane Mode-Turn Off Airplane Mode
Data Connection Restored
View Settings:
##778#
View-View Info