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How to fix the missing OEM Unlock button on the Samsung Galaxy S9/S8/Note 8
If you're missing the OEM Unlock button on your Samsung Galaxy S9, Samsung Galaxy Note 8, or Samsung Galaxy S8, here's a tutorial on how to get it.
On any smartphone running Android 5.0 Lollipop and higher, you may find an option called 'OEM unlocking' in developer options. By toggling this option, you'll get the ability to unlock the bootloader on your device. Unlocking the bootloader lets you install a custom recovery such as TWRP, root your device to access system files, flash custom ROMs, modify the kernel, and much more. If you own the international/Exynos version of the Samsung Galaxy S8, Samsung Galaxy Note 8, or Samsung Galaxy S9 and you're missing the OEM unlock toggle, then there's a fix available.