Samsung Galaxy Note (T-Mobile) SGH-T879 Firmware Overview
What is the latest SGH-T879 firmware?
T879UVMA1, released January 18, 2013 with Android 4.0. The archive holds 2 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 (T-Mobile) still getting updates?
Most likely not: there has been no new firmware since January 2013, so Android 4.0 is the last version this model got. The final builds below are still the best choice for a clean reinstall.
All SGH-T879 firmware builds
How to Flash SGH-T879 Firmware
Put the Samsung Galaxy Note (T-Mobile) 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.