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  1. #1
    Iconia Informant
    Member #
    12997
    Join Date
    Jul 2012
    Posts
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    3 times

    Exclamation boot loop after factory reset metod.

    Hello to every body


    I have a problem.

    I make a hasrd reset for curiosity on my a200 16 GB one.

    When I get hard reset mode it says:

    Erasing Userdate...
    Unrecoverable bootloader error (0x190000008) {Red color}



    I restart my tablet it still on boot permanently.

    When I get recovery mode I reinstall my rom and whn I will boot my device still booting on a loop.

    When I get recovery mode again I reinstall the kernel Image and get loop boot again.

    So I was install stock recovery and rom and the same happend but I can get recovery mode.

    Now, when I get recovery mode I get;

    Ereasing Cache before SD Update...

    SD Update chw: update.zip


    Booting recovery kernel image.


    Next android pet it showed and some time later it ded on the ground with red alert on it.



    I try to get adb connection on my Windows pc but just reconoce an ACER MTP device.

    In fastboot reconoce an ADB interface, but adb sdk do not find the device.



    What can I do?



    I have a complete nandroid back up from cwm touch screen one but I do not know how to use it right now. I know how to restore with cwm into the recovery.





    Thanks




    *------*

    Hello

    CM10 Android 4.1 unoficial version. with 1.5GHz kernel and CWM touch screen from Odin one.

    Yes it was have unlocked bootloader but now it appear to have not one, When I start recovery it do not say (unlock mode) jsut say Ereasyng data first of all.

    When the recovery was working I install stock rom to make reset factory again but do not work, so I installed sotk recovery, but now I can get recovery just try to install an "update.zip" file.



    I can get access to recovery, when I get recovery automatic go to run update.zip file, it shows android pet working and last just go to the graund and an red alert its showed.


    I will post it on Acer a200 hacking.


    I can get to the fastbooting mode. So

    Can you tech me how to use it?

    I was use Odin softwarae with my old smartphone but I do not how to do it with my tablet.

    When I plug the tablet in fastboot mode windows detect an ADB interface like a NIC network connection but when I run adb it says that not found the device.


    Thanks

  2. #2
    Iconia Informant
    Member #
    12997
    Join Date
    Jul 2012
    Posts
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    3 times
    Hello to every body


    No body answer me, so I will do it

    I install a custom firmware on my a200 so the hard reset method do not works.
    I use fast-boot method.
    I have a nandroid backup so I used.
    I locate my boot.img file and put my a200 on fastboot mod (power on press volume down, when the a200 vibrate release power button but still press volume down and move the lock rotate screen switch 2 or 3 times to get it.).

    Now on windows with the appropriated drivers and the fastboot.exe that you can get from the sdk of android. run fastboot.exe flash boot boot.img, next fastboot.exe reboot.

    Now your systems boot, It is possible that android do not works but recovery mod will do. So go to recovery mod and restore the nandroid back up or use fastboot manually.

    If you do not have the nandroid back up you can find on the xda forum on the acertabletforum.com

    If you can not flash the device you need to unlook the a200 boot first.

    you can try:

    sudo fastboot reboot-bootloader (linux)

    fastboot.exe reboot-bootloader (windows)

    Next the a200 will ask you to unlock the device (guaranty avoid....)



    that's all for now.
    regards



    Thanks

  3. #3
    Iconia Lurker
    Member #
    10895
    Join Date
    May 2012
    Location
    Idaho
    Posts
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    Thanks! Good info.


 

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