G925F BTU - Android nougat to marshmallow - Galaxy S6 Edge Q&A, Help & Troubleshooting

Hi,
I've been looking for an answer to my question, and I think it's been catagorically answered - you cannot downgrade from nougat to marshmallow mainly because the bootloader needs to be downgraded.
I desperately want to get back to marshmallow as nougat broke a certain app that I use all the time, and the app is no longer being maintained.
I currently have SuperStock S8 ROM installed on my G925F. Before I rooted and installed this, it was running the official OTA Samsung Updates available in the UK (my phone is BTU). This firmware would have been this one here - https://www.sammobile.com/firmwares/galaxy-s6-edge/SM-G925F/BTU/download/G925FXXS5EQL6/202020/
Now my question is can I downgrade to marshmallow at all? I mean, even if it's an unofficial ROM which requires root (preferable). Because I think the main reason the app I'm having difficulty with has stopped working is due to the bootloader or modem... Possibly. I don't really know what I'm talking about.
Any help is greatly appreciated, and apologies if I have left out any relevant info required to help provide an answer.
Thanks in advance.

Related

Go back to KitKat from 5.1.1 Rooted

New to the forums, but was hoping to get some help with this... pardon me if this was answered already...
I am on a rooted 5.1.1 stock firmware on my S5... I don't like it. I want to go back to KitKat or any version of Android that supports Xposed modules... I read in another forum that it's possible to do since (to my knowledge) the Xposed framework is not supported on our devices yet... so my question is simple. What do I need to do to get back on KitKat so I can use my beloved Xposed mods? Thanks for any contributions and if anyone needs more details, I'll be happy to tell you what you need to know. Thanks again.
Sent from my SM-G900T
Just picked up an S5 running 5.1.1 and I'm wondering the same. My guess is since its an unlocked bootloader you can go to sammobile, download the ROM and use odin to install it. I'm coming from an ATT S4 that had a locked BL so this is kinda new to me.
A0425A said:
Just picked up an S5 running 5.1.1 and I'm wondering the same. My guess is since its an unlocked bootloader you can go to sammobile, download the ROM and use odin to install it. I'm coming from an ATT S4 that had a locked BL so this is kinda new to me.
Click to expand...
Click to collapse
You are correct. But if the only reason the OP doesn't like lollipop is because Xposed doesn't work, why not just flash a ROM? G900T's unlocked bootloader lets you run whatever you want.
Xposed works fine on non-Samsung lollipop roms (cyanogenmod, for example)
http://forum.xda-developers.com/showthread.php?t=3034811

Root S6 Edge

Hello,
I just got s S6 Edge SM-G925F, It has already android 5.1.1 version with kernel: version: 3.10.61-5447113. I would like to root the device using the pingpong tool without tripping Knox and I read that is not working on android 5.1.1.
My question is: if i downgrade from android 5.1.1 to 5.0.1 is it possible to root the device without tripping knox ?
Another question is : Am I gonna trip knox if after I root the device after I downgrade to android 5.0.1 and install TWRP for example in order to flash another ROM ?
A word of caution, downgrading from 5.1.1 to 5.0.2 is possibly ill-advised, and not for Knox reasons, according to sources .
Apparently the bootloader introduced with the 5.1.1 update takes offence to trying to be downgraded and throws the phone into a bootloop.
however, you are in a privileged position, running the F variant, there is a way to do pretty much whatever you want without worrying about Knox.
see this thread for details.
Mischala said:
A word of caution, downgrading from 5.1.1 to 5.0.2 is possibly ill-advised, and not for Knox reasons, according to sources .
Apparently the bootloader introduced with the 5.1.1 update takes offence to trying to be downgraded and throws the phone into a bootloop.
however, you are in a privileged position, running the F variant, there is a way to do pretty much whatever you want without worrying about Knox.
see this thread for details.
Click to expand...
Click to collapse
Thanks a million for the information, I am still not sure if I will root it because I like the fingerprint scanner functionality.

Galaxy S6 Edge 5.0.2- Update To New ROM Question

All,
I have rooted my Sprint S6 Edge running Android Version 5.0.2.
I would like to install a custom rom however it appears you need to be on 5.1.1 to install any of the newer ROM's. I was looking to flash XtreStoLite Odexed Pure ROM.
However, I'm open to any ROM that I can run smoothly and remove most of this bloatware. I'm experiencing significant performance decrease as of late.
If this question has already been ask please just point me to the thread. I did a search on the site but couldn't find a specific answer to my question.
Thanks for all responses.

Hello! How to upgrade already rooted g925I to rooted marshmallow?

Hello all,
I have a galaxy s6 g925I on 5.1.1 and am using Xstreo Lite version 2.4 and TWRP version 2.8.7.1.
I am wondering how to upgrade to a rooted version of marshmallow (preferably using xstreolite again). But as I understand it, the process is a bit more complicated than usual. Therefore, my questions is a simple one: how do I so keeping into account all the new steps (updating the boot loader, updating TWRP version etc).
I tried searching but could find nothing that compiles all the information or says it at one place (or I might just be deficient in searching. Apologies in advance!)
Thanks so much.
Cheers!
Hi! Thanks for the reply. But if I do this won't I lose my root? Also will smart switch work with a already rooted phone?

Downgrade to MM from Nougat OTA

I am going to pick one of these up used, unlocked. The owner has upgraded the device to Nougat by OTA. I prefer MM as I need to use Xposed.
Is it possible to "downgrade" this device safely, without bricking it??
Found my answer. Mods please delete. Sorry for posting a question that was already answered

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