M919 tmobile unlock z3x but no sim error

got few phones successfully unlocked 2-3 pieces but 2 phones even after unlocking shows " NO SIM INSERTED " ..

samsung pro tools says UNLOCK DONE but still it is not detecting my sim card

sim tray is totally fine as not giving error when inserting US based sim.

tried writing QCN from a working phone not working

tried root and region lock away apk still no success.

Kindly help with the error.

i have 2 phones m919 tmobile giving same error