Galaxy Xcover 4 SM-G390Y with product code TNZ from New Zealand. This firmware has version number PDA G390YDXU2BSA1 and CSC G390YTNZ2BSA1. The operating system of this firmware is Android 8.1.0 , with build date Tue, 22 Jan 2019 09:25:28 +0000. Security patch date is 2019-01-01.