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Thread: Galaxy Tab Active 2 - SM-T390 - Firmware downgrade to 7.1.1 from 9.0

  1. #1
    Junior Member
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    Jul 2019
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    Galaxy Tab Active 2 - SM-T390 - Firmware downgrade to 7.1.1 from 9.0

    Hello all,

    I have been trying to get the T-390 downgraded from android 9.0 to 7.1.1, I believe I have got the right firmware as the name relates to the existing build that's currently on the tablet. Everytime I click start, it runs through to the a certain point and fails. I can boot back into my tablet without any issues, however the downgrade doesn't seem to work. Any help on this would be awesome.

    ODIN 3.13.1
    Android downgrade from 9.0 to 7.1.1
    Firmware - T390XXU3ARF3
    Region - Australia

    [ Login above or register to see download links. ]

    Thank you for your time in this...

  2. #2
    Administrator
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    Quote Originally Posted by cchakra [ Login above or register to see download links. ]
    Hello all,

    I have been trying to get the T-390 downgraded from android 9.0 to 7.1.1, I believe I have got the right firmware as the name relates to the existing build that's currently on the tablet. Everytime I click start, it runs through to the a certain point and fails. I can boot back into my tablet without any issues, however the downgrade doesn't seem to work. Any help on this would be awesome.

    ODIN 3.13.1
    Android downgrade from 9.0 to 7.1.1
    Firmware - T390XXU3ARF3
    Region - Australia

    [ Login above or register to see download links. ]

    Thank you for your time in this...
    Hi there

    Due to security reasons, you can't downgrade your device to Android 7.1.1

  3. #3
    Junior Member
    Join Date
    Jul 2019
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    OK.. I am going to have to try and downgrade to 8.1 then. May try 7.1.1 after that ?

  4. #4
    Administrator
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    Quote Originally Posted by cchakra [ Login above or register to see download links. ]
    OK.. I am going to have to try and downgrade to 8.1 then. May try 7.1.1 after that ?
    Hi there,

    No: you can't downgrade at all, also not to Android 8...

  5. #5
    Junior Member
    Join Date
    Jul 2019
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    Great.. Thanks for the update.

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