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My android 2.3 tablet supports usb. It mounts all usb drives. However there is no mechanism for unmounting in the settings menu.

On direct unplugging usb devices, i get notification " usb mass storage device removed unexpectedly

Is there is an app for unmounting usb storage devices?

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Can you pull down the notification bar and dismount from there? –  Matthew Read Oct 18 '12 at 19:14

2 Answers 2

It should normally be located within settings>storage>unmount USB storage. Otherwise look within whatever file explorer you are using on the tablet for USB storage, this should indicate that a usb stick etc is using the drive, and hence give you the option to remove/unmount.

There are apps available but these require root access to my knowledge.

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In my unrooted stock Moto G running 4.3, I can access my USB pen drive by using an USB OTG cable. I use ES File explorer. I do not find any options to safely eject/remove the drive neither in ES File explorer app nor in settings->storage. Without safely ejecting, the drive is not detected again unless I restart my phone. Any ideas? –  Narayanan Feb 11 '14 at 10:33

You upgrade your moto g to Android 4.4 kit Kat. After that u don't want to restart your phone on ejection of USB drive. But still there is no safe ejection method as this specification (OTG) is not specified by manufacturer. The advantage is that you don't need to restart your android device.

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Where does the OP say anything about the Moto G? –  eldarerathis Apr 7 '14 at 20:16

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