There hasn't been a firmware update yet for the n900t. Mi7 is the original fw the Tmo Note 3 launched with. So there aren't any modems right now.
T-Mobile 32GB - Rooted Wicked v5 (TWRP 126.96.36.199)
Galaxy Note 10.1 32GB 2014 Edition
Galaxy S4 (VZW MDK) sold to pay for my Note 3
Droid Bionic - Traded for Note 3
Droid X - Now a WiFi phone.