1. AC Question's Avatar
    so recently I tried to downgrade my galaxy s7 to a stock firmware via odin, every time i try to do it, I get this on odin
    <ID:0/007> Added!!
    <ID:0/007> Odin engine v(ID:3.1101)..
    <ID:0/007> File analysis..
    <ID:0/007> SetupConnection..
    <ID:0/007> Initialzation..
    <ID:0/007> Get PIT for mapping..
    <ID:0/007> Firmware update start..
    <ID:0/007> SingleDownload.
    <ID:0/007> boot.img
    <ID:0/007> NAND Write Start!!
    <ID:0/007> recovery.img
    <ID:0/007> system.img.ext4
    <ID:0/007> FAIL! (Auth)
    <ID:0/007> Complete(Write) operation failed.
    <OSM> All threads completed. (succeed 0 / failed 1)
    and I get this on the download mode screen
    sw rev check fail sysem fused 2 >binary 1
    I cannot boot into recovery mode since i first tried to do the downgrade.
    So can anyone help me on how to fix this problem so i can succesfully downgrade without getting any error messages
    07-29-2016 10:28 AM
  2. anon(632115)'s Avatar
    YOu are trying to roll back with a boot loader that doesn't support this because you upgraded. You may want to give more information so we can tell if what you are trying to do is possible
    07-29-2016 10:50 AM
  3. Edo33's Avatar
    Oh man i have the same problem, i upgraded my s7 sprint to the latest version and now i like to downgrade it any help more info is available.
    10-01-2016 05:13 AM
  4. anon(632115)'s Avatar
    You probably can't. What FW is it running?
    10-01-2016 05:58 AM
  5. KingCharles1's Avatar
    I'm having this same problem. do i need to flash a new bootloader to my phone before I can revert back
    03-06-2017 04:46 PM

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