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Thread: Firmware Downgrade Question

  1. #1
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    Firmware Downgrade Question

    I want to downgrade my Samsung Galaxy S9 (SM-G960U) from Android 9 PIE (firmware G960USQS5CSEB) to stock Android 8 OREO (firmware G960USQS3BRK2). From what I have learned the bootloader versions must be the same before flashing.

    Can someone confirm my understanding and/or is there any other options to downgrade back to Android 8 (Oreo).

  2. #2
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    Quote Originally Posted by burchis [ Login above or register to see download links. ]
    I want to downgrade my Samsung Galaxy S9 (SM-G960U) from Android 9 PIE (firmware G960USQS5CSEB) to stock Android 8 OREO (firmware G960USQS3BRK2). From what I have learned the bootloader versions must be the same before flashing.

    Can someone confirm my understanding and/or is there any other options to downgrade back to Android 8 (Oreo).
    Hi there

    That's not possible, sorry...

  3. #3
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    Is it possible to flash a previous bootloader version that matches the bootloader version in the Android 8 OS?

  4. #4
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    Quote Originally Posted by burchis [ Login above or register to see download links. ]
    Is it possible to flash a previous bootloader version that matches the bootloader version in the Android 8 OS?
    Hi there,

    Nope: you can't downgrade your device...

    Maybe there are some "other ways", but those won't be "official" and we won't support that...

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