ubpractical

can you tell me what is NV programming and how it is done in breif anybody to help me on this

i have a brand new USCC NOTE 2 WITH BASE BAND VERSION R950VXAME2 my main problem is that my phone dosent recognise tataindicom sim when place in to the phone. how should i proceede with flashing my note 2 for use in india. please help me with step by step in unlocking my phone thanks