[APP][ROOT] SG USB Mass Storage Enabler

zigar

New member
Nov 9, 2014
3
0
0
It doesn't work on my Samsung Galaxy Core 2 (SM-G355H).
First it says "An error occurred while identifying the SD Card. The card is either not ready or there is no SD card inserted."
When I try again everything seems to be OK, but after connecting it to the PC it still recognizes it as a phone, only this time the card folder is empty and the capacity shown below is a huge negative number.

I really hope there is a solution, as this is a really nice app to connect a phone to a USB car stereo?
 
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mamdroid

Senior Member
Feb 25, 2014
931
595
0
Pensacola
Hello I have a couple noob questions, I feel I should already know the answer to but I dont lol. What is USB mass storage? Also what will the app do? I have read the OP and several of the post but still in need of a little help to understand farther. Sorry it takes me a little longer to understand things, slow on the up take of stuff lol. I am always +1 for storage though. Thanks a bunch for any help that someone can offer. Yall have a great tuesday!!!!:cowboy:
Also I have a t-mobile galaxy s4 m919
 
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iraklius92

Member
Nov 18, 2014
13
1
0
/sys/devices/virtual/android_usb/android0/f_mass_storage/lun0
/sys/devices/platform/exynos-dwc3.0/exynos-ss-udc.0/gadget/lun0


don't work galaxy s4 9500
 

kpoman

Member
Dec 8, 2011
7
1
23
Guys, I have issues with Bluetooth and my car sound station, but it has USB, so I wonder if there is any easy way to export only the specific folder containing music as an UMS device so the car sound mounts, scans and plays music from it. I already tried usb debug and this app from Mohammed and they both fail, the car station saying usb error. Any clues or further dev of this thing ?
Thanks
 

rammbbs7

Member
Jan 23, 2011
17
2
0
help me please

Hello,

I installed this app on my Samsung Galaxy Tab 3 (T210) running Android 4.1.2.

Once lauched, it said that I was in "MTP" mode (that was right).
I selected "mass storage mode", then plugged my USB cable. My computer was not able to connect to the device.

--> this device is not compatible.

So I wanted to come back to the "MTP" mode.
When I go back to the app, there is no more choice between "USB mass storage" and "MTP": it says that "lun file not available in your kernel".
When I try to change within the Android parameter tab, my device reboots...


Now, I have no way to plug my device to my conputer :crying:

Does anyone have an idea to come back to the original setting?
I installed it on tab 3 t211 and i am stuck with no usb connection as lun file is not available, please help me how to revert back to normal mtp mode. Thanks in advance.
 

rammbbs7

Member
Jan 23, 2011
17
2
0
DriveDroid does the following under root:

setprop persist.sys.usb.config mass_storage,adb
setprop sys.usb.config mass_storage,adb
setprop sys.usb.state mass_storage,adb
echo 0 > /sys/class/android_usb/android0/enable
echo 18d1 > /sys/class/android_usb/android0/idVendor
echo 4e21 > /sys/class/android_usb/android0/idProduct
echo mass_storage,adb > /sys/class/android_usb/android0/functions
echo 1 > /sys/class/android_usb/android0/enable

Read this on anoher site, while I am trying to edit /sys/class/android_usb/android0/functions with text editor to change value to mtp,ptp,adb, I am getting error saying it cant be done. Can anyone help me with this? Can I use echo with terminal like echo mtp,ptp,adb > /sys/class/android_usb/android0/functions