M9 t-mob US can’t unlock

hi I have 2 pices htc M9
1st M9 sprint I unlocked it with xtc2clip perfcetly witout problem
2nd M9 t-mob US I can’t unlock with xtc2clip .
the second one when I unlock It with xtc2clip he show me that he unlocked succesufuly but when I put sim card I found the phone always locked

any solution please