Galaxy J4 SM-J400M with product code PGU from Guatemala. This firmware has version number PDA J400MUBS3ASD4 and CSC J400MOWA3ASD2. The operating system of this firmware is Android 8.0.0 , with build date Mon, 08 Apr 2019 14:26:28 +0000. Security patch date is 2019-04-01.