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  • 1 Post By Scott Westen
  1. Thread Author  Thread Author    #1  

    Default Hack a u-tab7 prison edition

    Can I use an external SD Card reader on my moto g? It is the prepaid Verizon edition?

    I would like to transfer files to a tablet.

    My friend is getting out of the big house in a couple of weeks. He has a u-tab7 from union supply, which is a locked down tablet. He said once he gets out he can't put more stuff on it.

    I bet him I could do it using my phone.

    Then he tells me that the tablet is locked down and he can only access it through their menu and that only allows songs etc from that company.

    I am on a quest to hack that tablet. Any thoughts?
    john lopez5 likes this.
  2. #2  

    Default Re: Hack a u-tab7 prison edition

    If you figure it out let me know bc union supply said when they get out they can't get more music not even to purchase! ty good luck!
  3. #3  

    Default Re: Hack a u-tab7 prison edition

    Did you have any luck with this in the end? My boyfriend is coming home with one soon and we're having the same problem. But I guess now they made them all get updated operating systems with a security feature that we've heard erases data from sd cards inserted with data that didn't come directly from Union Supply. Any advice?
  4. #4  

    Default Re: Hack a u-tab7 prison edition

    Here's what I can tell you about the utab7. It has a mini USB port (not micro) and comes with a small non proprietary sdcard reader that hooks to that port. There is no on board SD card reader. There are no external buttons besides power. Union ships a 4GB SD card to the prison. On that card is a fat 32 partition with the file system offset by 4096 bytes. It appears wiped. Using an unformat utility, files show up. The two biggest files are the apk installers and music. They are sha1 aes encrypted. When the apks listed in a separate text file match, the tablet performs what I call an unwipe, then it unencrypts the files, installs them, and rewipes the card. I have the raw 200 Meg image of an unmolested 4GB card straight from Union. If anyone wants to play with the unencryption game. It's over my head, I'm at my limits here. If there's still interest, let me know.
  5. #5  

    Default Re: Hack a u-tab7 prison edition

    Press send me a copy of your raw image. (Google drive link) I'd like to play around with it. Thanks.

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