[Verizon Samsung Galaxy S III] E:V:A:
So I took this NV list and classified them:

Sorted by Class:

[SIZE=2]NV# Class# Class NV description
-----------------------------------------------------------------------
4184 5002 Security Sec Csprng Init Seed
4635 5003 System DB Leap Seconds
4636 5003 System DB Local Time Offset
10 5003 System Digital/Analog Mode Preference
933 5003 System Dynamic Feature
905 5003 System Fatal Error Option
1015 5003 System GSM/UMTS Cell Broadcast SMS Service Table Size
1017 5003 System GSM/UMTS Cell Broadcast SMS User Preference
3375 5003 System Last Registered SCI
562 5003 System Preferred Hybrid Mode
3635 5003 System SD Configurable Items
3634 5005 CDMA DDTM Settings
4958 5005 CDMA Home MCC
231 5005 CDMA New Format Most Recently Used Channels
1877 5005 CDMA RF Band Configuration
4548 5005 CDMA RF BC Configuration Diversity
1878 5005 CDMA RF Hardware Configuration
4959 5005 CDMA User SID To MCC Assoc Table
1907 5006 Data Authentication Require Password Encryption
714 5006 Data Data Services Mobile IP Enable Profile
465 5006 Data Data Services Mobile IP General User Profile
546 5006 Data Data Services Mobile IP RFC2002bis MN Home Agent Authenticator Calculation
459 5006 Data Data Services QC Mobile IP
298 5006 Data Packet Data Calls Originate String
6247 5006 Data PPP VSNCP Config Data
240 5006 Data QNC Enabled Flag
4399 5007 Debug Detect HW Reset
847 5008 Display CDMA SMS Parameters/Templates
3174 5009 Factory CBS Enabled
3060 5009 Factory DCS Power Levels
3461 5009 Factory ENS Enabled
4228 5009 Factory SMS MO On Access Channel
4703 5011 GPS CGPS UMTS PDE Server Address URL
6792 5011 GPS GNSS SUpL Version
1302 5012 GSM GSM AMR Call Configuration
4964 5013 HDR HDR SCP Force AT Configuration
3458 5013 HDR HDR SCP Subtype Custom Config
3851 5018 WCDMA WCDMA RX Diversity Control
1796 5018 WCDMA WCDMA TX Rotator Angle PA Range State 01
1797 5018 WCDMA WCDMA TX Rotator Angle PA Range State 10
[/SIZE]

Sorted by NV item:

[SIZE=2]
NV# Class# Class NV description
-----------------------------------------------------------------------
10 5003 System Digital/Analog Mode Preference
231 5005 CDMA New Format Most Recently Used Channels
240 5006 Data QNC Enabled Flag
298 5006 Data Packet Data Calls Originate String
459 5006 Data Data Services QC Mobile IP
465 5006 Data Data Services Mobile IP General User Profile
546 5006 Data Data Services Mobile IP RFC2002bis MN Home Agent Authenticator Calculation
562 5003 System Preferred Hybrid Mode
714 5006 Data Data Services Mobile IP Enable Profile
847 5008 Display CDMA SMS Parameters/Templates
905 5003 System Fatal Error Option
933 5003 System Dynamic Feature
1015 5003 System GSM/UMTS Cell Broadcast SMS Service Table Size
1017 5003 System GSM/UMTS Cell Broadcast SMS User Preference
1302 5012 GSM GSM AMR Call Configuration
1796 5018 WCDMA WCDMA TX Rotator Angle PA Range State 01
1797 5018 WCDMA WCDMA TX Rotator Angle PA Range State 10
1877 5005 CDMA RF Band Configuration
1878 5005 CDMA RF Hardware Configuration
1907 5006 Data Authentication Require Password Encryption
3060 5009 Factory DCS Power Levels
3174 5009 Factory CBS Enabled
3375 5003 System Last Registered SCI
3458 5013 HDR HDR SCP Subtype Custom Config
3461 5009 Factory ENS Enabled
3634 5005 CDMA DDTM Settings
3635 5003 System SD Configurable Items
3851 5018 WCDMA WCDMA RX Diversity Control
4184 5002 Security Sec Csprng Init Seed
4228 5009 Factory SMS MO On Access Channel
4399 5007 Debug Detect HW Reset
4548 5005 CDMA RF BC Configuration Diversity
4635 5003 System DB Leap Seconds
4636 5003 System DB Local Time Offset
4703 5011 GPS CGPS UMTS PDE Server Address URL
4958 5005 CDMA Home MCC
4959 5005 CDMA User SID To MCC Assoc Table
4964 5013 HDR HDR SCP Force AT Configuration
6247 5006 Data PPP VSNCP Config Data
6792 5011 GPS GNSS SUpL Version
[/SIZE]

So we can skip "GPS" items and the ones "described as "DB ..." (time & date).

Others we need to investigate further.