Samsung Galaxy S7 Downgrade to Android 7 Nougat with G930FXXS6ESI8 (Android 8) - Samsung Galaxy S7 Questions and Answers

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?

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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Sorry but i think you need samsung ofw for that.It won't work if you installed a rom based on touchwiz.

Trouble Flashing Samsung S7 to Android 7.0

Hey so.. Phone's root bugged out yesterday and I downloaded twrp and decided I should upgrade it to Android 8.0 then root it. After many hours of failures I managed to flash a 8.0 but I couldn't make the CSC to work, since my phone is region locked to another country so I decided to go back to 7.0 and try again.. but now here it gets complicated because I really don't know what to do. I'm not sure how exactly to go back from 8.0 to 7.0.. Can someone give me detailed steps on what should I do.. I'd be very grateful!
PS. I don't know if I'm posting this in the right forum thread.
Here https://updato.com/how-to/how-to-install-an-official-samsung-stock-firmware-using-odin
Same site, or sammobile can be used to get the firmware files to flash with Odin
Note: The last version of 7.0 locked the ability to downgrade, I haven't gone to Oreo so can't confirm, but it ability to downgrade may also be removed from Oreo.
Beanvee7 said:
Here https://updato.com/how-to/how-to-install-an-official-samsung-stock-firmware-using-odin
Same site, or sammobile can be used to get the firmware files to flash with Odin
Note: The last version of 7.0 locked the ability to downgrade, I haven't gone to Oreo so can't confirm, but it ability to downgrade may also be removed from Oreo.
Click to expand...
Click to collapse
I can confirm, downgrading from Oreo 8.0 to Nougat 7.0 is possible, even without tripping knox.
It's just flashing the previous firmware with odin and factory reset the phone before first run and you're fine to go

Downgrade OS

Hi All
my company have some reason must use S7 for Android 7.0, we purhcse new phone but found Based version is G930FXXU3ERI4, is possible roll back to OS 7.0?
If it's a G930F them yes, you just need to firmware files and can flash via Odin using a guide like https://updato.com/how-to/how-to-install-an-official-samsung-stock-firmware-using-odin
Sammobile and Updato both host firmware files.
Stock flashes don't void warranty or anything of the like.
bakemoro said:
Hi All
my company have some reason must use S7 for Android 7.0, we purhcse new phone but found Based version is G930FXXU3ERI4, is possible roll back to OS 7.0?
Click to expand...
Click to collapse
Is not possible cause u have a last security patch U3

Downgrading Android 10 to 9.

Hello,
Is it possible to downgrade from Android 10 to 9 please with my sm-g970f (s10e)?
I am currently on a baseband version with S9 in the middle of it.
Phone isnt rooted or any mods.
I have tried to flash to Android 9 via Oden with a stock rom I found, however it gets stuck on the boot.img bit and doesnt move.
Any help appreciated.
Thank you.
mpwilson99 said:
Hello,
Is it possible to downgrade from Android 10 to 9 please with my sm-g970f (s10e)?
I am currently on a baseband version with S9 in the middle of it.
Phone isnt rooted or any mods.
I have tried to flash to Android 9 via Oden with a stock rom I found, however it gets stuck on the boot.img bit and doesnt move.
Any help appreciated.
Thank you.
Click to expand...
Click to collapse
Hi, What bootloader version are you on?
For example if software version is: G970FXXU3ASJD than bootloader is U3

I need to back to android 7

Hi everyone, i got a J7(2016) J710F my phone is updated with androud oreo 8.1 i am asking if there is a way to back to android 7 .. and what if i unlock the bootloader is there any chance to flash the mobile with Odin

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