Yes. I've tried the full firmware for NC4 and it just bootloops. This is what the download page tells me.
PRODUCT NAME: SM-N900V
CURRENT BINARY: Samsung Official
SYSTEM STATUS: Official
KNOX KERNEL LOCK: 0x0
KNOX WARRANTY VOID: 0x0
QUALCOMM SECUREBOOT: ENABLE (CSB)
RP SWREV: S1, T1, R1, A3, P1
WRITE PROTECTION: Enable
What info did you get from the previous owner? When you bought it did they tell you it was bricked and what they did to brick it?