I have a G950F unrooted and with stock Pie. Is it possible to downgrade to Oreo ? Of course I'm keen to root and unblock the booloader
the gladiator said:
I have a G950F unrooted and with stock Pie. Is it possible to downgrade to Oreo ? Of course I'm keen to root and unblock the booloader
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Depending on what firmware version you are on. Due to bootloader(binary) versions increasing you cannot downgrade to a previous version, only a previous version with the same bootloader number or a higher version.
Basically if you on version 5 (bootloader/binary) you won't be able to downgrade to Oreo.
The only way is if there is a custom rom that has an Oreo favour to it.
You can still root on pie.
Related
I am currently on A2017U B29 Marshmallow 6.0.1 full Stock. I did not upgrade so far to Nougat, in fear of ZTE locking the bootloader, etc.
In future, I want to fully unlock the bootloader, install TWRP, and load Lineage OS.
If I upgrade my phone to the latest Stock Nougat, will I still be able to do the move to lineage - did ZTE mess up the bootloader any way in Nougat?
From what I read here, it is safe to do so and that I can always unlock the bootloader no matter what - but I need a quick confirmation.
Thanks.
deepasadish said:
I am currently on A2017U B29 Marshmallow 6.0.1 full Stock. I did not upgrade so far to Nougat, in fear of ZTE locking the bootloader, etc.
In future, I want to fully unlock the bootloader, install TWRP, and load Lineage OS.
If I upgrade my phone to the latest Stock Nougat, will I still be able to do the move to lineage - did ZTE mess up the bootloader any way in Nougat?
From what I read here, it is safe to do so and that I can always unlock the bootloader no matter what - but I need a quick confirmation.
Thanks.
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You can always downgrade... you just have to get the Marshmallow update zip and install it with mifavor. totally legal and stuff
How to downgrade S7 Edge From Oreo to Noughat???
Azazlimbu said:
How to downgrade S7 Edge From Oreo to Noughat???
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Download Nougat or Marsh from sammobile and flash t with Odin, more instructions on sammobile.
downgrade only possible with V2 firmware files, don't flash any firmware build before the january 2018 or you will brick your device .
shah22 said:
downgrade only possible with V2 firmware files, don't flash any firmware build before the january 2018 or you will brick your device .
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I am new here i dont know what is V2 firmwarefile. Can you explain what is V2 firmware?? Thanks you for advise:fingers-crossed::fingers-crossed::fingers-crossed:
I mean the bootloader version that is written in the firmware name i.e in G935FXXU2DRAG, 2 is the bootloader version of the firmware after U letter and if you are already on version 2 bootloader, you cannot flash a firmware which has 1 in place of 2..
shah22 said:
I mean the bootloader version that is written in the firmware name i.e in G935FXXU2DRAG, 2 is the bootloader version of the firmware after U letter and if you are already on version 2 bootloader, you cannot flash a firmware which has 1 in place of 2..
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Ok Thanks you bro!!!!:fingers-crossed::good:
This is useful! I tried to downgrade from 8.0 to 7.0 and bricked my device, luckily I could restore the same version I had before... even SmartSwitch don't give a damn about my device anymore.
If you have bootloader version which says XXS2 then you can't downgrade to Marshmallow and initial Nougat firmwares released till December 2017.
However, if you never upgraded your bootloader to v2 (like me), then you can downgrade to even Marshmallow without any issues. Check my phone screenshot. I am running latest Oreo firmware on v1 bootloader without any issues.
AlanDS said:
I am running latest Oreo firmware on v1 bootloader without any issues.
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How you flash latest Oreo without flasing V2 bootloader? It is possible?
Hi there, im currently on the leaked oreo beta on my A2017G but since this month there should be the official oreo out i wish to rollback to stock. Do i just need to flash latest rom on it? Do i need to relock the bootloader and remove twrp to get new ota updates?
https://forum.xda-developers.com/axon-7/how-to/guide-return-to-stock-custom-rom-t3634369 (like i also suggested at reddit )
I am curious about these issues, my question is the following when I unlock my Bootloader I can do an update via OTA when it arrives on my device? Or is my phone going to have Hard Brick?
I want to give a Downgrande on my smartphone but it is still in stock without any modification. And through the tutorials I read ask for the unlock Bootloader. My intention is to only downgrade. A friend of mine gave the following idea: "unlock the bootloader to then downgrade and after it has been successfully done." I search how to lock the bootloader again using CMD to put a system with the bootloader locked and so in the future I will be able to receive updates via Ota. " Does This Worker Ideas In Practice?
This my Frist Post here If I make a mistake, tell me, we will not repeat.:fingers-crossed:
When it comes to being able to receive updates when bl is unlocked, that's a yes, it will work fine and won't affect your phone's functionality.
On the other hand downgrading is generally a bad idea. The problem is, when you update your phone your bootloader also gets an update. All parts of the OS except for the bootloader can be downgraded to a previous version, and if you do that, the downgraded OS can function normally on the newer bootloader.
Now comes the tricky part. If you try to do an OTA on a downgraded OS with a new bootloader, the OTA will treat the bootloader as if it were the old one, and will overwrite parts of it that it shouldn't, which will corrupt it. And there you have a pricey paperweight.
The only way of updating a downgraded device is to flash it clean with a newer version (or the version same as the bootloader).
Now what is the reason you'd want to downgrade?
After Unlocked Bootloader You Can't Get OTA Updated Even You Relock Bootloader ., tested On Moto G5s
Model X1795
However During try to Relock or downgrade Oreo 8.1 to 7.1.1 You May Get Complete Dead Your Phone as my phone goes During downgrade .
Rakesh Mahto said:
After Unlocked Bootloader You Can't Get OTA Updated Even You Relock Bootloader ., tested On Moto G5s
Model X1795
However During try to Relock or downgrade Oreo 8.1 to 7.1.1 You May Get Complete Dead Your Phone as my phone goes During downgrade .
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My bootloader is unlocked.
I wanted to upgrade to the latest firmware and because I was rooted I flashed the firmware I was on at that moment (no down - or upgrade) again and after that I was able to apply and install every single OTA up to the latest. I could have flashed the latest Oreo firmware directly too but I wanted to test this way and to update by flashing latest firmware would have been possible after that too.
So updating via OTA with an unlocked bootloader was no problem for me.
In the end you get the unlock code from Motorola itself and it would be kind of strange if they won't deliver updates anymore for a feature they provide for their devices.
Sent from my Moto G5 Plus using XDA Labs
Need Android 8.1 Oreo February security Patch 2019
Wolfcity said:
My bootloader is unlocked.
I wanted to upgrade to the latest firmware and because I was rooted I flashed the firmware I was on at that moment (no down - or upgrade) again and after that I was able to apply and install every single OTA up to the latest. I could have flashed the latest Oreo firmware directly too but I wanted to test this way and to update by flashing latest firmware would have been possible after that too.
So updating via OTA with an unlocked bootloader was no problem for me.
In the end you get the unlock code from Motorola itself and it would be kind of strange if they won't deliver updates anymore for a feature they provide for their devices.
Sent from my Moto G5 Plus using XDA Labs
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Looking For Android 8.1 Oreo February security Patch 2019 For Moto G5s
Model: X1795
Twrp Backup Or Any Other Of Official Rom Of Android 8.1 Oreo , Including February security Patch 2019 Thanks
Rakesh Mahto said:
Looking For Android 8.1 Oreo February security Patch 2019 For Moto G5s
Model: X1795
Twrp Backup Or Any Other Of Official Rom Of Android 8.1 Oreo , Including February security Patch 2019 Thanks
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This is a thread for potter (Moto G5+) so your question most probably won't be answered here.
Move to https://forum.xda-developers.com/moto-g5s
Sent from my Moto G5 Plus using XDA Labs
I am planning on to unlock bootloader only will I continue recieving official updates from Samsung and able to install them (not flashing that, OTA ones). I am not going to install custom recovery or kernel or even custom rom. Will it work that way?
I'm on 9.1.0.252, update overnight was enabled, and if possible I'd like to roll back to an earlier version. I'd like to root later on too, but it doesn't tell me if my bootloader is unlockable. Any way to root on 9.0?
don't need root for p10 plus android 9.1
hwawaypee10plus said:
I'm on 9.1.0.252, update overnight was enabled, and if possible I'd like to roll back to an earlier version. I'd like to root later on too, but it doesn't tell me if my bootloader is unlockable. Any way to root on 9.0?
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HiSuite - chinese version, without words OVE
Root on 9.1