Default Help tether verizon mobile

Hi, I have a problem with hotspot.Please help me.

I use a galaxy s4 verizon unlocked and use the t mobile nano sim unlimited 4g data.

This i my mobile info :
+ Model number : sch i545
+ android verson 4.3
+ baseband : i545VRUEMK2
+ built number : JSS15J.I545VRUMK2

I can call, text, 4g data is ok,everything okay, but i can't tether the data for my laptop.When i turn on the mobile hotspot it said that mobile number not found.I tried the foxfi bt it's not work too. Can anyone help me.Please

Sent from my SCH-I545 using xda app-developers app