Hi, I just spent a few hours getting my:
Sprint Galaxy Nexus 4.1.1 Build: JRO03U working with Wifi Tether.
Here's How I did it.
Rooted the phone using the Galaxy Nexus Toolkit:
[GNex TOOLKIT V10.1] Drivers, Backup, Unlock, Root, CWM, Flash, Mods + MORE [SPRINT] - xda-developers
This...