Samsung Galaxy Note II LTE (US Cellular) SCH-R950 Firmware Overview
What is the latest SCH-R950 firmware?
R950VXUCNE2, released June 12, 2014 with Android 4.1–4.3. The archive holds 3 official builds across 1 region (CSC). Each one is the full stock ROM (flash file) for Odin, not an OTA patch.
Is the Samsung Galaxy Note II LTE (US Cellular) still getting updates?
Most likely not: there has been no new firmware since June 2014, so Android 4.1–4.3 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
All SCH-R950 firmware builds
How to Flash SCH-R950 Firmware
Put the Samsung Galaxy Note II LTE (US Cellular) into Download Mode, load the BL, AP, CP and CSC files into Odin on a Windows PC and press Start. Use HOME_CSC to keep your data, CSC for a full wipe.