Install Nougat rom with TWRP after to install OREO rom with binary 3? - Samsung Galaxy S7 Questions and Answers

Hi!, i installled Oreo on my S7 g930f but i now have one problem. The ROM binary from oreo is 3, and Nougat use 2, for this reason i cannot to downgrade to nougat. Recently i installed TWRP and a custom Oreo rom.
Its possible to install a custom Nougat rom through TWRP?
Many Thanks!

You should be able to flash a Nougat ROM via TWRP, but you'll have to make sure to flash the bootloader and modem back to Nougat if the ROM doesn't include it as part of its install.
I've gone between Oreo and Nougat a few times, granted my roll backs were using a TWRP backup and not a nougat flash.

Beanvee7 said:
You should be able to flash a Nougat ROM via TWRP, but you'll have to make sure to flash the bootloader and modem back to Nougat if the ROM doesn't include it as part of its install.
I've gone between Oreo and Nougat a few times, granted my roll backs were using a TWRP backup and not a nougat flash.
Click to expand...
Click to collapse
Have you some tutorial teaching how to make this downgrade.
After the update my mobile is Just Call of Emergency, and the patch to solve this just works at Nougat.

Related

Help for update for news roms Oreo

I was in Nougat and always updated my Mate 9 downloading firmware by FF and used the tutorial here script and HWOTA folder,
I installed Oreo using the script but now when trying to install another newer Oreo firmware, it is not possible because TWRP does not install anymore.
I do not want to downgrade. I want to be able to upgrade to the newer Oreo firmware. How do I do it now? Am I stuck on this beta rom forever?
aureliomilitao said:
I was in Nougat and always updated my Mate 9 downloading firmware by FF and used the tutorial here script and HWOTA folder,
I installed Oreo using the script but now when trying to install another newer Oreo firmware, it is not possible because TWRP does not install anymore.
I do not want to downgrade. I want to be able to upgrade to the newer Oreo firmware. How do I do it now? Am I stuck on this beta rom forever?
Click to expand...
Click to collapse
Rollback over hisuite to 7.0 then hwota to new oreo formware.
Ok, but no want back 7.0 for only update a simple oreo, i need update oreo for oreo via hwota, but twrp not install
Which oreo firmware you have installed and which new firmware you have?
k4fari said:
Which oreo firmware you have installed and which new firmware you have?
Click to expand...
Click to collapse
I have firmware of day 18, appear new firmware day 27 fix bugs.
But, i want a symple update with method Script hwota, but no more works because twrp of script is for Nougat and no Oreo.
And for future, i need upgrade but no more possible for this problem in twrp
aureliomilitao said:
I have firmware of day 18, appear new firmware day 27 fix bugs.
But, i want a symple update with method Script hwota, but no more works because twrp of script is for Nougat and no Oreo.
And for future, i need upgrade but no more possible for this problem in twrp
Click to expand...
Click to collapse
Still confused about the new firmware you are talking about, what is meant by day 18 and 27, are the firmware versions are different? I am also on oreo MHA-L29BC636 321-logs
k4fari said:
Still confused about the new firmware you are talking about, what is meant by day 18 and 27, are the firmware versions are different? I am also on oreo MHA-L29BC636 321-logs
Click to expand...
Click to collapse
No diferent versions only small bug fixes
But i want update with simple method hwota and no more possible because twrp no Works in Oreo .
My rom is
MHA-L29 8.0.0.321 (C432Log) Oreo
aureliomilitao said:
No diferent versions only small bug fixes
But i want update with simple method hwota and no more possible because twrp no Works in Oreo .
My rom is
MHA-L29 8.0.0.321 (C432Log) Oreo
Click to expand...
Click to collapse
And my rom is MHA-L29 8.0.0.321 (C636Log) Oreo, i cant rollback with hisuite either, my hisuite says you are on lastest update.
k4fari said:
And my rom is MHA-L29 8.0.0.321 (C636Log) Oreo, i cant rollback with hisuite either, my hisuite says you are on lastest update.
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Click to collapse
Your install oreo via script hwota tutorial here xda?
I installed all firmwares FEnder with script but now Oreo no possible install because twrp no compatible
Yeah i used script method posted in xda to install oreo.
k4fari said:
Yeah i used script method posted in xda to install oreo.
Click to expand...
Click to collapse
But now, no more possible use script for updates because twrp no compatible in oreo
aureliomilitao said:
But now, no more possible use script for updates because twrp no compatible in oreo
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Click to collapse
same as you and dload is failed in 5% to roll back to.Android nuggets.onlywait hwota update to oreo

Need Rooted Rom

Hello guys im looking for a rooted rom my build is MHA-L29C567B190 my bootloader already unlocked and also flashed twrp or can you please help me root my stock rom thanks for your help
grodri19721 said:
Hello guys im looking for a rooted rom my build is MHA-L29C567B190 my bootloader already unlocked and also flashed twrp or can you please help me root my stock rom thanks for your help
Click to expand...
Click to collapse
Download and flash: https://forum.xda-developers.com/attachment.php?attachmentid=4302781&d=1508010356
You should now be rooted with Magisk.
Make sure you have TWRP 3.1.x from the twrp thread
ante0 said:
Download and flash: https://forum.xda-developers.com/attachment.php?attachmentid=4302781&d=1508010356
You should now be rooted with Magisk.
Make sure you have TWRP 3.1.x from the twrp thread
Click to expand...
Click to collapse
Is it really that easy? i have mine rooted with TWRP 3.1, i can flash that file and I'll have magisk? I'm on the same HW/SW version as the OP.
since the Oreo is coming out, will I need to flash stock to get the Stock Oreo update when its released? I assume so. I am new to the Mates and they seem to have a much different flash method/path than the Nexus 6p and HTC devices i have done in the past. I'm kind of leery to pursue Installing ROM's and Magisk (never used it yet) but would like to. Any tips or links to detailed instructions for the Mate flashing? I cant find, what I feel, to be detailed instructions on XDA.
thanks
sgtduckyboy said:
Is it really that easy? i have mine rooted with TWRP 3.1, i can flash that file and I'll have magisk? I'm on the same HW/SW version as the OP.
since the Oreo is coming out, will I need to flash stock to get the Stock Oreo update when its released? I assume so. I am new to the Mates and they seem to have a much different flash method/path than the Nexus 6p and HTC devices i have done in the past. I'm kind of leery to pursue Installing ROM's and Magisk (never used it yet) but would like to. Any tips or links to detailed instructions for the Mate flashing? I cant find, what I feel, to be detailed instructions on XDA.
thanks
Click to expand...
Click to collapse
If you're rooted with SuperSU or Phh you will need to restore your stock boot image before flashing Magisk,
this can be done by downloading your firmware from http://pro-teammt.ru/firmware-database/ then extacting update.app and opening it in Huawei Update Extractor where you extract BOOT.IMG.
Flash it using fastboot flash boot boot.img.
As long as you're using firmware B182+ (Loop device support) and TWRP 3.1.x you can install official Magisk/SuperSU.
Oreo will be a full firmware so it shouldn't need to verify any partition, meaning you will only need to restore stock recovery.

downgrade from Oreo to Nougat - success but can't to install custom rom

Hi all
Currently on Batman V2.0.0 Oreo - S8+ SM-G955F
Reason for change is due to poor battery life and intermittent fingerprint scanner.
I have downloaded stock Nougat 7.0 - G955FXXU1AQF7_G955FOXM1AQF7_BTU, flashed this via Odin and everything booted up fine. The next step was to root and device and install twrp.
1. Downloaded TWRP and installed
2. Installed dm-verity and force encryption disabler
3. flashed Magisk.zip
had full access to twrp and had root.
Now i am trying to flash batman V1.50 via twrp. The installation goes fine, when rebooted it stays on the Samsung screen. it will not let me load a OS. The system states no OS installed. i have tried with 2 other Nougat roms and still no joy, i even flashed the correct bootloader and modem and still hangs on logo. is there something i am missing here? all your help would be appreciated. Oreo update is not for me.
Restored a twrp backup to go back to my working version of batman oero again, stuck with this until a solution
just a update, managed to sort it out, all working with Nougat and it is stable
luv2vexx said:
just a update, managed to sort it out, all working with Nougat and it is stable
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hello, can you share how you solve the problem? thanks
luv2vexx said:
just a update, managed to sort it out, all working with Nougat and it is stable
Click to expand...
Click to collapse
How ?

how to flash s8 plus Verizon bootloader v5 to unlocked g955u1?

Hi. My s8 plus is at bootloader version 5 now.is possible to flash unlocked version (xaa)? Or change room from Odin? thanks
Also interested. I'm on official Oreo on v5 bootloader on a fresh phone from insurance and trying to get root.
Go to the Verizon section and look there, user @jrkruse has 2 roms posted:
These both work with the new BLv5
Oreo Rom with Xposed/Safestrap; no root
https://forum.xda-developers.com/verizon-galaxy-s8+/development/rom-t3771206
Nougat Rom with Root/Xposed/Safestrap
https://forum.xda-developers.com/ve...nt/root-using-odin-modified-firmware-t3693790
If your wanting root functions these are your only options. While the Oreo doesn't have root, it does have SafeStrap for system file modification and Xposed to run non root plugins.
As far as flashing to U1 firmware there is a thread about flashing to it. You should be able to as long as bootloader matches but don't quote me. I'm still on BL3 and still can flash to U1, root rom, oreo rom, stock rom no problem.

Downgrade Oreo bootloader to Nougat?

I installed Superman Oreo rom and want to go back to the Nougat version, I wiped the phone and flashed Nougat but it just got stuck in a boot loop.It seems the bootloader was updated to version 3 and nougat uses version 2.Does anyone know how I can fix this? I tried flashing the bootloader and modem through Odin but it gives an error.
I want to do the same. Superman 3.10 oreo to nougat 2.90
Have I to downgrade the bootloader?
Thanks for answer
Namoux said:
I want to do the same. Superman 3.10 oreo to nougat 2.90
Have I to downgrade the bootloader?
Thanks for answer
Click to expand...
Click to collapse
I tried everything i could find and nothing worked i just stuck with 3.10
Try flash first Stock ROM Nougat than Superman 2.90 ;]
I had Oreo Stock and back to Nougat Stock without problems.
Superman 2.90 could need Nougat Stock ROM
Same here.
Was using SuperMan 3.1.0 but was disappointed with Oreo.
installed stock Nougat ROM via odin 3.13, then TWRP and root, nxt SuperMan 2.9.0.
need time and patience.
Make sure your battery is fully charged. and you have stock latest NOUGAT ROM with adequate AP,BL,CP,CSC.
If you have FAIL at 1st attempt, do it again.
I had 2 FAILs before it PASSED.
Tip:
When your Odin process will FAIL, but process isnt finished yet, disconnect phone from laptop and turn off holding power button, Phone will restart into DL mode with big triangle on it saying to use SmartSwitch for PC to recover the OS.
turn it of again and when screen is off but before the vibra, press and hold PWR+Vol DWN+Home, phone will go into normal DLmode, connect then into laptop and press Vol UP to confirm Odin Mode in Download Mode.
Then using Odin, install OEM Nougat OS.
This is the method that worked for me and had successfully installed Nougat.
After that, boot the system, unlock the Dev options in setting and turn on OEM unlock before you go for TWRP and root.
hope it will help.
Goodluck.
MikeRWK said:
I installed Superman Oreo rom and want to go back to the Nougat version, I wiped the phone and flashed Nougat but it just got stuck in a boot loop.It seems the bootloader was updated to version 3 and nougat uses version 2.Does anyone know how I can fix this? I tried flashing the bootloader and modem through Odin but it gives an error.
Click to expand...
Click to collapse
Hope this helps:
Go back to Oreo or whatever ROM you can use
Goto settings > developer options
Enable OEM unlock
Now try flashing nougat if you stuck on bootloop then install a custom ROM that is nougat, then try to flash stock nougat. If it still doesn't work there is nothing I can do use a custom nougat ROM. I recommend ultimate nougat
MikeRWK said:
I installed Superman Oreo rom and want to go back to the Nougat version, I wiped the phone and flashed Nougat but it just got stuck in a boot loop.It seems the bootloader was updated to version 3 and nougat uses version 2.Does anyone know how I can fix this? I tried flashing the bootloader and modem through Odin but it gives an error.
Click to expand...
Click to collapse
So is there any method to downgrade the ****ing bootloader?
Mine is ver.3 and need to flash ver.2.
I realy not want to stuck on Oreo. Oreo realy have no Benefits.
There is no way to downgrade the bootloader. Samsung blocked bootloader downgrades starting with the S3.
But why cant we just install the nougat bootloader and modem as .zip from twrp if we are on an Oreo rom?
Is this not possible?

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