Fully functional JB 4.1.2 + Without NavBar
Get JB 4.1.2 from Telstra, look in Android development and flash it via RSD Lite, must be rooted and have alternative input method I use gmd gestures; Now use the buil.prop mod (qemu.hw.mainkeys=1) and U will have the status bar but not the navbar and no fc.
I have some issues with menu action (auto hiddes and must retry), solved with cm 10 instead of Telstra ROM, little more batt consumption and no blutooth music at the moment.
UPDATE: No need to use another ROM, In Telstra ROM go to config in Your phone, developer options, and check "Disable HW overlays", Ready!
You can use other ROM (4.1.2+) if U want, I like Telstra Rom cause it have good battery and all features in your cell phone works.
NO ISSUES AT THE MOMENT!