···47474848> OEM Unlock is missing or greyed out.
49495050-Your device is locked to a carrier that restricts unlocking, you have an American device, or you're running One UI 8 or later.
5050+Your device is locked to a carrier that restricts unlocking, you have an American device, or you're running One UI 8 or later. In some edge cases (e.g. on the 2015 Galaxy Tab A 8.0) this option won't be present as the bootloader ships unlocked, but this is very rare.
51515252> When I try to hold the button combination, my phone just boots normally.
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