Can't unlock bootloader on 12SU even with OEM unlock & USB debugging on | Unofficial Xiaomi European Community | MIUI ROM Since 2010
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5.1 lollipop - USB debugging option greyed out in Samsung Galaxy J5 runing Android 5.1.1 - Android Enthusiasts Stack Exchange
Screen Lock privacy setting greyed out/unavailable on Android 12 in Dual Messenger/App mode · Issue #12071 · signalapp/Signal-Android · GitHub
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