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  1. #1
    Cassiopeia
    Join Date
    Oct 2014
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    16764
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    Device
    Galaxy Tab 3 Kids

    Lightbulb SM-T2105 Galaxy Tab Kids - Corrupted USB Connection

    Monday, 13 October, 2014 04:44:05 PM - SM-T2105 Galaxy Tab Kids - Corrupted USB Connection
    ---------------------------------------------------------------------------------------
    Hi all.

    I've spent almost the full 2 days looking for solution of this but to no avail.

    My tablet is using 4.1.2 Jelly Bean.

    I owned the SM-T2105 Galaxy Tab Kids rooted. Then suddenly I was thinking to move all my apps to SD card. Trying and trying, finally I realized that I need to make separate partitions on the SD card first.

    So one of the solutions I found on the internet suggested to make that partition using the PC. Then I am interested to connect my device as mass storage instead of the default MTP connection. So I found this - https://play.google.com/store/apps/d...eenabler&hl=en.

    Without reading any further, I quickly installed it and turn on the mass storage function. But to no avail. My PC can't recognized the tablet anymore since then. Immediately, I quickly uninstalled that app and looking for another app. But still the same problem.

    So finally I am stucked with "connected as an installer" whenever I connect the tablet to my PC. And the worst thing that, I cannot change it back to MTP/Camera transfer mode i.e. my tablet would immediately reboot! I was totally intensed since then. After trying and trying, I still cannot find the solution.

    Then I thought a firmware upgrade will do. So i install the latest firmware for SM-T2105 - T2105ZHAND2 from here - Firmwares | SamMobile. I also rooted it again then.

    But still the problem persist. I also end up using the ADB terminal from my PC to issue the
    Code:
    su
    setprop persist.sys.usb.config mtp,adb
    reboot
    But still the same problem. My device would restart immediately after issuing the command.

    I have also found this code below somewhere but the issue is I cannot find that /sys/devices/platform/msm_hsusb/gadget/lun0/ path on the tablet:
    Code:
    Mass Storage Mode
    ---------------------------------------------------------------------------------------
    setprop persist.sys.usb.config mass_storage,adb
    echo /dev/block/vold/179:33 > /sys/devices/platform/msm_hsusb/gadget/lun0/file
    
    Return to MTP
    ---------------------------------------------------------------------------------------
    #!/system/bin/sh
    echo "" > /sys/devices/platform/msm_hsusb/gadget/lun0/file vold 
    setprop persist.sys.usb.config mtp,adb
    The nearest folder that I could find is /sys/class/android_usb/android0/f_mass_storage but no lun folder inside. Only nluns file is sound
    So I am really stressed with this. Can someone here please help me out?

    Besides of all those issues, turning off the Developer Options/USB Debugging would also make it restart on the spot.

    Factory reset would be my last choice.

    I was expecting something like system files update or something. Is it possible?

    Thank you very much.

  2. #2
    Administrator
    Join Date
    Dec 2013
    Location
    Swainsboro, Georgia
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    Device
    Galaxy Note 10.1
    Welcome to the forum Freekey! Have you tried using Kies to connect to your PC?

  3. #3
    Cassiopeia
    Join Date
    Oct 2014
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    Device
    Galaxy Tab 3 Kids

    Cool

    Quote Originally Posted by sculptedstylus View Post
    Welcome to the forum Freekey! Have you tried using Kies to connect to your PC?
    Hi.

    Thanks for your welcoming guest

    Ermm. I don't think Kies would help since now, the phone system files has become haywire, not on the PC side. Don't you think so?

    Thanks.


 

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