unlock Samsug Galaxy note 4 SM-N910P sprint

Galaxy note sprint SM- N910P
for use USA
Hi guys I have a problem with my galaxy note 4 , I unlocked but do not know how ?
I made process
1. Install SuperSU
2 .- * # 0011 #
3. key input = Q
4. -key input = 0000
5. UE - setting info
6. setting
7. -protocol
8. gcf
9. GSM / EDPRS / WCDMA gcf on
I need help

Thank you