z3x domestic unlock sm-n910p says ok, but the true is not…any advice?


Have Domestic and regular unlock 3 different sm-n910p phones with 5.1.1 to 4.2 version and clean meid (verified in the sprint store) made it with the z3x confirming the unlock, but the real true its not receiving any signal from gsm simcards. yes Have access to apn settings and it’s not showing the sim card not supported warning,yes i can change the preferred network mode Any one having this kind an issue? any advice in what step its missing?

Already domestic unlock for sm-n920p,sm-n928p,sm-n925p with out any problem.

ONLY SM-N910P UNLOCK ITS NOT WORKING