If you have the where with all to root it, the Synergy rom has the unlocked hotspot. Do not know about other roms because I am new to the Tbolt. I am coming from an Evo.
LG G2 (Verizon)
Samsung Note 10.1 (2014)
Acer W3-810 64gb
Retired Phones: Droid DNA, HTC Rezound, Droid Bionic, HTC Thunderbolt, HTC Evo 4g
Retired Tablets: Archos 5, Huwaei S7, Viewsonic G Tab, Acer A500, Asus Eee Pad Transformer, Nexus 10