Galaxy J8 SM-J810F with product code SEK from Ukraine (Kyivstar). This firmware has version number PDA J810FJXU4BSJ1 and CSC J810FOXM4BSH1. The operating system of this firmware is Android 9
SM-J810F 4 Files Firmware J810FJXU4BSJ1-(OXM)Android 9 Pie File By newfirmwares.com