Downgrading from Pie to Oreo failed! Possible? - Samsung Galaxy J4+ Questions & Answers

I accidentally upgraded my android Oreo to Pie in Samsung j4 and as I tried to downgrade it with odin with a firmware J400FXXU2ARG7, I got an error! I'm currently running J400FXXU3BSD2. I have heard about binary version so is it now impossible to downgrade to Oreo? Thanks

did u find a solution for this?? me too i got my J4+ bricked today and i cant any topics to help me fix my phone :crying:

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Samsung Galaxy S7 Downgrade to Android 7 Nougat with G930FXXS6ESI8 (Android 8)

Hello,
is it possible to downgrade a Samsung Galaxy S7 to Android 7 Nougat when i have the G930FXXS6ESI8 (Android 8) on the system?
I have tried everything what i find in google, but i ever become an error in Odin, perhabs while i have installed the actually Bootloader S6.
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Asselnik said:
Hello,
is it possible to downgrade a Samsung Galaxy S7 to Android 7 Nougat when i have the G930FXXS6ESI8 (Android 8) on the system?
I have tried everything what i find in google, but i ever become an error in Odin, perhabs while i have installed the actually Bootloader S6.
So i think i have no chance to Downgrade right?
Click to expand...
Click to collapse
You cannot downgrade a bootloader only upgrade.
If you want nougat then you'll need to look at Lineage .

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