All Stock Firmware Samsung Galaxy J4 Plus - J415F Android Oreo 8.1 SM-J415F_J415FXXU1ARJ3_J415FOLM1ARJ3-xxv-8.1 SM-J415F-J415FXXU1ARIM-XXV-8.1 SM-J415F-J415FXXU1ARIM-THL-8.1 J415F-J415FXXU1ARIM-INS-8.1