Samsung removed bootloader unlock from One UI 8 - currently, if you flash One UI 8 FW, your phone will reformat and bootloader unlock will be lost.There is a way to flash One UI 8 FW with One UI 7 bootloader, without reformating /data, keeping bootloader unlocked, in one swipe - without multiple flashings etc. This is how I did it - step by step spoon-feeding explanation:With Samsung phones you can roll back to a lower One UI version - and thus use a lower bootloader version - provided...Read more