There is: LG G-Pad 8 android 5.0.2 tablet, USB HDD with separate power is connected to it, when the HDD is powered off, the tablet naturally loses the device. The problem is that when the power is turned on, the disk is not mounted back. If you manually unmount a disk before turning off the power, everything works when you turn it on. Question: How can I programmatically unmount USB without involving the user?
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