Like all other Samsung Galaxy Devices, Samsung Galaxy Note II has PDA, PHONE and CSC too. PDA is build version of the firmware, PHONE is baseband / modem version and CSC is consumer software customization which specified to geographical region and carriers. CSC contains the software packages specific to particular region, carrier branding and also APN settings for data connection, MMS for service provider. You can change to other CSC if your firmware has multi CSC packages.
Note – By changing CSC will factory reset your Galaxy Note 2. All applications and data will be deleted. Make sure that you make backup before do so.
