Galaxy J3 SM-J3300 with product code CHC from China (Open China). This firmware has version number PDA J3300ZCS2BSA2 and CSC J3300CHC2BSA2. The operating system of this firmware is Android 8.1.0 , with build date Fri, 01 Feb 2019 08:22:33 +0000. Security patch date is 2019-01-01.