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Thread: trying to root android tablet

  1. #1
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    Default trying to root android tablet

    I am trying to root my android tablet so that I can modify some of the
    internal settings, etc. I found an example of a debian user that did it
    here: https://forum.suprbay.org/showthread.php?tid=135675

    So, I downloaded superoneclick, made a directory under home, unzipped it
    there, and changed the permissions to run adblinux there so that I could
    execute the program.

    I have not tried to do a full on install of Android-SDK. If I need to,
    can someone give me a link for the right one to install?

    I connected my android tablet (it is an off brand tablet called a
    SkyworthS7, with Android 4.0 Ice Cream Sandwich on it) via the micro
    USB. I made sure that USB Debugging was turned on. Then I ran the
    following command:

    Code:
    ~/AndroidTool/ADB> ./adblinux devices
    List of devices attached
    
    ~/AndroidTool/ADB>
    So you see, nothing is detected. The example I followed said that if
    nothing is detected, "it may be permissions causing you issues, and you
    might need to reconfigure udevd."

    So, any help? I don't really know what to do just to get this first step
    - to get my tablet detected.

    I did, by the way, also try and connect my Samsung phone the same way,
    and it also was not detected.

    --
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  2. #2
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    Default Re: trying to root android tablet

    Hi
    Have you seen this thread?
    https://forums.opensuse.org/english/...droid-sdk.html

    I would guess you need a udev rule, when you plug the device in and run the dmesg command, do you see it connected?
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    openSUSE 13.1 (Bottle) (x86_64) GNOME 3.10.1
    If you find this post helpful and are logged into the web interface,
    please show your appreciation and click on the star below... Thanks!

  3. #3
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    Default Re: trying to root android tablet

    On 04/19/2013 12:29 PM, golson765 wrote:
    > I am trying to root my android tablet so that I can modify some of the
    > internal settings, etc. I found an example of a debian user that did it
    > here: https://forum.suprbay.org/showthread.php?tid=135675
    >
    > So, I downloaded superoneclick, made a directory under home, unzipped it
    > there, and changed the permissions to run adblinux there so that I could
    > execute the program.
    >
    > I have not tried to do a full on install of Android-SDK. If I need to,
    > can someone give me a link for the right one to install?
    >
    > I connected my android tablet (it is an off brand tablet called a
    > SkyworthS7, with Android 4.0 Ice Cream Sandwich on it) via the micro
    > USB. I made sure that USB Debugging was turned on. Then I ran the
    > following command:
    >
    >
    Code:
    > ~/AndroidTool/ADB> ./adblinux devices
    > List of devices attached
    >
    > ~/AndroidTool/ADB>
    >
    >
    > So you see, nothing is detected. The example I followed said that if
    > nothing is detected, "it may be permissions causing you issues, and you
    > might need to reconfigure udevd."
    >
    > So, any help? I don't really know what to do just to get this first step
    > - to get my tablet detected.
    >
    > I did, by the way, also try and connect my Samsung phone the same way,
    > and it also was not detected.
    >

    Just a quick follow up - I WAS able to get that command to detect my
    Samsung phone. The first time I had tried it without USB Debugging
    enabled on my Samsung phone, but this time it was enabled, so the
    Samsung phone was detected.

    However, the tablet is still not detected, and I suspect that being an
    off brand, there are no udev device rules set up for it. If that is the
    case, how would I figure out the hex device code to add a rule to
    "51-android.rules" in the /lib/udev/rules.d directory?


    --
    G.O.
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    learning openSUSE and loving it


  4. #4
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    Default Re: trying to root android tablet

    On 04/19/2013 12:46 PM, malcolmlewis wrote:
    > Hi
    > Have you seen this thread?
    > http://tinyurl.com/c4fleol
    >
    > I would guess you need a udev rule, when you plug the device in and run
    > the dmesg command, do you see it connected?
    >
    >


    Yes, I have been looking at that now, and it is helpful. I was able to
    figure out that the Vendor ID was (probably) 2207. It is an Indonesian
    manufacturer (and I found an Indonesian tech blogger that did basically
    what I am trying to do, but was using Ubuntu). The problem there is it
    is entirely in Indonesian - google translate helped get me the info I
    needed there.

    So, using the Vendor ID 2207, I added the following rule to
    /lib/udev/rules.d/51-android.rules-

    Code:
    # Smartfren (Skyworth)
    SUBSYSTEM=="usb", ATTR{idVendor}=="2207", MODE="0660", GROUP="users"
    The blogger had put it in mode 0666, but all my other android devices in
    that file were listed in 0660, so I set it like them.

    Then I reloaded the udev rules with the following:

    Code:
    systemctl restart udev.service
    Then I looked at dmesg like you suggested, and here is what it shows:

    Code:
    [52630.146686] usb 2-5: new high-speed USB device number 26 using ehci_hcd
    [52630.261228] usb 2-5: config 1 interface 1 altsetting 0 bulk endpoint
    0x85 has invalid maxpacket 64
    [52630.261727] usb 2-5: New USB device found, idVendor=2207, idProduct=0010
    [52630.261739] usb 2-5: New USB device strings: Mfr=2, Product=3,
    SerialNumber=4
    [52630.261747] usb 2-5: Product: S7
    [52630.261753] usb 2-5: Manufacturer: unknown
    [52630.261758] usb 2-5: SerialNumber: 0123456789ABCDEF
    [52630.262608] scsi31 : usb-storage 2-5:1.0
    [52631.261271] scsi 31:0:0:0: Direct-Access     Linux    File-CD
    Gadget   0000 PQ: 0 ANSI: 2
    [52631.262717] sd 31:0:0:0: Attached scsi generic sg5 type 0
    [52631.264011] scsi 31:0:0:1: Direct-Access     Linux    File-CD
    Gadget   0000 PQ: 0 ANSI: 2
    [52631.265794] sd 31:0:0:1: Attached scsi generic sg6 type 0
    [52631.270819] sd 31:0:0:0: [sde] Attached SCSI removable disk
    [52631.275552] sd 31:0:0:1: [sdf] Attached SCSI removable disk
    I am not exactly sure what to do with this. Is there a place to get it
    to recognize the Manufacturer? My Samsung phone has a known manufacturer
    (naturally).

    In any case, I did go ahead and install theadb that came with the
    android-sdk package instead of the superoneclick version. I ran it, and
    same thing, no devices listed. However, it finds my samsung phone
    without a problem.

    When I run lsusb, it has this:

    Code:
    Bus 001 Device 002: ID 0ac8:c40a Z-Star Microelectronics Corp.
    Bus 002 Device 026: ID 2207:0010
    Bus 004 Device 002: ID 0458:003a KYE Systems Corp. (Mouse Systems)
    NetScroll+ Mini Traveler / Genius NetScroll 120
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    So you see my tablet is detected there on the 2nd line but no other
    information given, and nothing about it being in debug mode. This is
    also not like the Samsung phone, which does give the full vendor
    information and states that the device is in debug mode.

    --
    G.O.
    Box #1: 12.3 | KDE 4.10 | AMD Phenom IIX4 | 64 | 16GB
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    learning openSUSE and loving it


  5. #5
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    Default Re: trying to root android tablet

    An issue I've seen a lot is that the machine "thinks" it has to deal with a modem, therefore activates usb_modeswitching. Here's how to stop that behaviour:
    In /etc/usb_modeswitch.conf, change this line
    Code:
    DisableSwitching=0
    to
    Code:
    DisableSwitching=1
    Then reconnect the device and see if you can reach it.
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    Anything that can go wrong.... will teach us

    http://en.opensuse.org/User:Knurpht
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  6. #6
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    Default Re: trying to root android tablet

    On 04/19/2013 04:16 PM, Knurpht wrote:
    > An issue I've seen a lot is that the machine "thinks" it has to deal
    > with a modem, therefore activates usb_modeswitching. Here's how to stop
    > that behaviour:
    > In /etc/usb_modeswitch.conf, change this line
    >
    > Code:
    > --------------------
    > DisableSwitching=0
    > --------------------
    >
    > to
    >
    > Code:
    > --------------------
    > DisableSwitching=1
    > --------------------
    >
    >
    > Then reconnect the device and see if you can reach it.
    >
    >

    Thanks for the suggestion! Unfortunately, no change.

    --
    G.O.
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    learning openSUSE and loving it


  7. #7
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    Default Re: trying to root android tablet

    > android

    ok...so, i also have an Android tablet and i have about 300 questions..

    (maybe only 25, to start--including how to SAFELY root it, but i'm
    not too keen on following the instructions of someone i do not know
    their linux/android/whatever expertise and whose daddy bought them a
    'Droid and if they brick it their mommy will buy'em a new one when
    she runs out to buy the 'computer expert' some more bubble gum)

    unfortunately i have not yet found a suitable forum to ask my Qs, and
    now wonder: Is this the place??

    --
    dd

  8. #8
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    Default Re: trying to root android tablet

    On Fri 19 Apr 2013 10:35:44 AM CDT, dd wrote:

    > android


    ok...so, i also have an Android tablet and i have about 300 questions..

    (maybe only 25, to start--including how to SAFELY root it, but i'm
    not too keen on following the instructions of someone i do not know
    their linux/android/whatever expertise and whose daddy bought them a
    'Droid and if they brick it their mommy will buy'em a new one when
    she runs out to buy the 'computer expert' some more bubble gum)

    unfortunately i have not yet found a suitable forum to ask my Qs, and
    now wonder: Is this the place??

    Hi
    If your trying to install the openSUSE arm version, don't see why not

    The first thing I would suggest is how to recover from a 'bricked'
    state for your device. Usually it's finding a restore image that is
    suitable, I bricked my MK802 device took me a few goes to find the
    right image on the net, but once I had it on an SD card and resurrected
    a windows machine to run the software it was fine....

    --
    Cheers Malcolm °¿° (Linux Counter #276890)
    openSUSE 12.3 (x86_64) Kernel 3.7.10-1.1-desktop
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  9. #9
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    Default Re: trying to root android tablet

    This is an interesting thread indeed.

    Has someone who makes Forum decisions considered adding a Specific Forum for OPENSUSE-ARM ?

    Seems it won't be long that this will be a active as Virtual Machines and 64 bit.

    Unfortunately, I wouldn't even know who/where to make that suggestion.
    Desktop: AMD A8-3850APU oS 13.1(x86_64) 3.11.10-21 KDE 4.14.2
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  10. #10
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    Default Re: trying to root android tablet

    On 2013-04-19 16:46, cmcgrath5035 wrote:
    > Unfortunately, I wouldn't even know who/where to make that suggestion.


    There is a forum here that has "suggestions" in the name ;-)

    --
    Cheers / Saludos,

    Carlos E. R.
    (from 12.1 x86_64 "Asparagus" at Telcontar)

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