1. aniq52's Avatar
    i want to downgrade it back to 4.4.2 kitkat but how can i do that with odin ive tried downloading the 4.2 zip files and flashed them on the phone and i get an auth error. Do i need to unlock the bootloader
    07-18-2015 09:29 AM
  2. aniq52's Avatar
    i feel like i need to unlock the bootloader because im running 5.0
    07-18-2015 09:33 AM
  3. Rukbat's Avatar
    AFAIK, the bootloader on both AT&T and Verizon Samsungs is locked and can't be unlocked. But I think you can flash back from Lollipop to KitKat (but not to Jellybean) - 4.4.4 or 4.4.2, not 4.3 or 4.2. I won't guarantee it, but from what I've seen, it's being done. Check Verizon Samsung Galaxy S 5 - XDA Forums to see if anyone's done it successfully, or anyone's tried it and it doesn't work.
    07-18-2015 06:38 PM
  4. aniq52's Avatar
    I keep getting odin auth error when trying to downgrade to kitkat
    here is the log
    <ID:0/004> Added!!
    <OSM> Enter CS for MD5..
    <OSM> Check MD5.. Do not unplug the cable..
    <OSM> Please wait..
    <OSM> G900VVRU1ANI2_G900VVZW1ANI2_G900VVRU1ANI2_HOME.tar.md5 is valid.
    <OSM> Checking MD5 finished Sucessfully..
    <OSM> Leave CS..
    <ID:0/004> Odin v.3 engine (ID:4)..
    <ID:0/004> File analysis..
    <ID:0/004> SetupConnection..
    <ID:0/004> Initialzation..
    <ID:0/004> Get PIT for mapping..
    <ID:0/004> Firmware update start..
    <ID:0/004> SingleDownload.
    <ID:0/004> aboot.mbn
    <ID:0/004> NAND Write Start!!
    <ID:0/004> FAIL! (Auth)
    <ID:0/004> Complete(Write) operation failed.
    <OSM> All threads completed. (succeed 0 / failed 1)

    how do i fix the auth error
    07-19-2015 01:36 PM
  5. aniq52's Avatar
    am i pretty much screwed with lolipop
    07-19-2015 02:29 PM
  6. FiveOverEight's Avatar
    What version of Odin are you using? The best one is 3.09 - later versions are sometimes known to have issues.
    07-19-2015 03:26 PM
  7. aniq52's Avatar
    I am using 3.09 but i dont understand why im getting an auth error
    07-19-2015 04:35 PM

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