Remove FRP after Hard Reset Hyundai Tablet



  • This is my first post. I've a big problem. In my job, we've tablets Hyundai Koral 10x2, for any reason someone did a hard reset from factory mode and now we can't pass the screen google account 'cause the person what did the hard reset forgot the mail & pass. So, anyone know how can i remove FRP? I have not found anything on youtube or google

    Tablet Data from Android Recovery:

    Hyundai/Koral_10x2/HT10004X16
    8.1.0/OPM6.171019.030.E1/101345
    

    i can't use adb commands, from sdcard i can't install apps 'cause always shows error: Signature verification failed. Error 21.

    any solution? please

    UPDATE

    Things what i do to solve the problem:

    1st method: changing language to pyckknñ, insert new wifi network, long press in space key, press in green letter, click in green button, click in option with rigth row, click in three points (up|rith) press in second option, open in Switch, now in the video show a shared button this not see in my tablet (shared option is'nt visible like the video) if i touch the video, this show a shared button after i press shared this open YouTube Go at this point all looks good but YouTube Go show: please login in your google account and when i try to do it, same error: this device was sinchronized with another account. https://www.youtube.com/watch?v=pYdExc-DcGM

    2nd method: same like 1st but in this case, i search delete or disable apps android in section https://youtu.be/XssoWIL65e8?t=152 i open the result, i click in the first link, this shows me a settings apps, i down and open youtube settings, click in first option, this open new screen, click in last option this try to open youtube but this close and show error that youtube go has stopped.

    3rd method: in google account long press in @ key but this not shows me a settings option.

    4th method: like first method but using TalkBack https://www.youtube.com/watch?v=3XYUfHmqfWU

    5th method: triyng in google account long press in word and press search in google but this no appear in the device https://www.youtube.com/watch?v=dYdBwj3haCM



  • https://sourceforge.net/projects/rkflashtool can dump firmware off device and write single partition/offset. It is therefore capable for erase FRP partition. this https://github.com/neo-technologies/rkflashtool might help to figure out usage.

    There are maybe easier methods for example https://www.techeligible.com method which is pretty generic (check https://www.google.com/search?q=rockchip+rk3126+frp )




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