Requires root access!! Does not work on KitKat and above for now.
This application allows you to enable USB Mass Storage mode on select Samsung and Sony devices.
This will export your microSD card over USB as a mass storage device, this will NOT work with your internal memory due to hardware and software limitations.
You can also create shortcuts to easily toggle between UMS on and off.
Tested or reported working on:
* Samsung Galaxy S4 (GT-I9500, GT-I9505, SGH-I337, SGH-M919)
* Samsung Galaxy SIII (GT-I9300, GT-I9305, SPH-L710)
* Samsung Galaxy Note II (GT-N7100)
* Samsung Grand Duos (GT-I9082)
Thanks to d4fseeker and Sakaschi for the methods used to enable UMS.
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As of version 2.2, there's a new pro version that has auto-switching. If you have donated before, please contact me and I'll arrange a workaround for you as it's unfair for you to pay twice, thank you :)