Before trying anything on my phone thought I wanna ask first.
I have an N960F, Exynos obviously; but I want to downgrade from Android 10 Q. I learned that I cannot flash official firmware via Odin that is based on an older bootloader version, say Oreo or Pie.
Would unlocking the bootloader change this case and allow me to flash Oreo again?
mhamdyl08 said:
Before trying anything on my phone thought I wanna ask first.
I have an N960F, Exynos obviously; but I want to downgrade from Android 10 Q. I learned that I cannot flash official firmware via Odin that is based on an older bootloader version, say Oreo or Pie.
Would unlocking the bootloader change this case and allow me to flash Oreo again?
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Sadly, no. Sorry man, the unlocking of the bootloader only allows for non-official binaries to be installed, such as TWRP, but nothing will let you go backward in bootloader versions. Sorry man
post up your entire firmware version so we can look around for ya and hopefully find a pie firmware for ya
Related
Hello
I have a moto g titan xt1068 dual sim which was originally running stock lollipop 5.02 and was updated with the OTA stagefright update and then the OTA MM6.0 official by motorola.
I have since installed custom roms cyanogen 13.0 and cyanpop 6.2
I know my bootloader is now the latest, so my question is can I now only install MM based roms? or can I still install KK & LP based custom roms?
or will installing LP or KK based roms hard brick my device?
Many thanks for any help
i'd like to know it too...
I'm not sure, but I can't really see why not. The bootloader being the latest changes jack squat on the question of being able to install older versions of Android or not. I mean, I WAS able to install the stock LP ROM on the MM bootloader, but your mileage may vary.
Yeah you can. Just don't try to downgrade your bootloader while downgrading to previous stock Android version. Itll brick your phone.
But just flashing custom Roms is safe.
sagar846 said:
Yeah you can. Just don't try to downgrade your bootloader while downgrading to previous stock Android version. Itll brick your phone.
But just flashing custom Roms is safe.
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ooh yeah, i remember i installed the MM Stock, and after installed the KK Stock, and with KK made a OTA update to LP and bricked my phone :/
sagar846 said:
Yeah you can. Just don't try to downgrade your bootloader while downgrading to previous stock Android version. Itll brick your phone.
But just flashing custom Roms is safe.
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That's bullsh-t.. You can always downgrade your rom, but you have to be sure you're not downgrading your bootloader. So if you're using oneclick installer you have to remove the command from the script which will try to downgrade your bootloader. Also after downgrading you have to be super sure that you will not update it with OTA!
Btw.: I'm not sure downgrading through fastboot can even brick your phone.
zman01 said:
That's bullsh-t.. You can always downgrade your rom, but you have to be sure you're not downgrading your bootloader. So if you're using oneclick installer you have to remove the command from the script which will try to downgrade your bootloader. Also after downgrading you have to be super sure that you will not update it with OTA!
Btw.: I'm not sure downgrading through fastboot can even brick your phone.
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What if i downgrade to kk without downgrading the bootloader and then i flash back mm firmware? (with rsd lite for example)
h4ck3r00 said:
What if i downgrade to kk without downgrading the bootloader and then i flash back mm firmware? (with rsd lite for example)
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You can flash whatever version you want if you're not downgrading your BL
zman01 said:
You can flash whatever version you want if you're not downgrading your BL
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So, if am right, i can do whatever i want but i must not touch the bootloader.
Thanks man! :good:
h4ck3r00 said:
So, if am right, i can do whatever i want but i must not touch the bootloader.
Thanks man! :good:
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That's right.. You can touch your bootloader only when you have to upgrade it, for example in case of updating to Android N. Which I think will never happen (of course officially).
Here you can find a nice guide to downgrade your Android version.
zman01 said:
That's bullsh-t.. You can always downgrade your rom, but you have to be sure you're not downgrading your bootloader. So if you're using oneclick installer you have to remove the command from the script which will try to downgrade your bootloader. Also after downgrading you have to be super sure that you will not update it with OTA!
Btw.: I'm not sure downgrading through fastboot can even brick your phone.
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FFS, Did you actually read my post. I said NOT to Downgrade the bootloader while downgrading to a previous stock version via fastboot.
sagar846 said:
FFS, Did you actually read my post. I said NOT to Downgrade the bootloader while downgrading to a previous stock version via fastboot.
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Yeah sorry, I was a bit tired.
Thank you all for your help it is much appreciated.
Can I downgrade or am I stuck on Pie?
I had manually updated the firmware and bootloader is unlocked.
Ragarianok said:
Can I downgrade or am I stuck on Pie?
I had manually updated the firmware and bootloader is unlocked.
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I think I remember @JoeGatto said he did it no problem. Maybe he'll chime in
madbat99 said:
I think I remember @JoeGatto said he did it no problem. Maybe he'll chime in
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I asked the same thing in another thread, and also pmed JoeGatto, he did reply "factory resetting and flashing the stock Oreo ROM".
I saw one of your posts advising not to flash bootloader or gpt, will flashing these cause errors?
madbat99 said:
I think I remember @JoeGatto said he did it no problem. Maybe he'll chime in
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I managed to downgrade!
I basically followed the instructions here: https://forum.xda-developers.com/moto-g6/how-to/guide-faster-updated-guide-to-root-t3914228
Except I didn't flash gpt.bin and bootloader.img.
Hey @Ragarianok can you help me please? I want to downgrade and relock the bootloader of my moto g6 also. I would appreciate if you gave me your discord or something. Thanks!
The easiest thing to do would be to unlock the bootloader, flash recovery, and just install an Oreo rom (I recommend AOSP Extended) and Google apps
you could just flash an 8.x oero rom so there isn't anything to "downgrade" in the traditional sense.Also these Moto phones need sGSI and not just GSI , i think so.
tnx
MIN313 said:
The easiest thing to do would be to unlock the bootloader, flash recovery, and just install an Oreo rom (I recommend AOSP Extended) and Google apps
you could just flash an 8.x oero rom so there isn't anything to "downgrade" in the traditional sense.Also these Moto phones need sGSI and not just GSI , i think so.
tnx
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I do not want to install a custom rom/ AOSP, I just want to downgrade and then relock the bootloader in the downgraded version.
I done it before on s9+ but i have read on some sites, that bootloader must be the same, my bootloader has the '7' bootloader but want to run a Oreo rom (exykings oreo light rom) can i just flash after clean flash, or is it not possible?
Thank you
biggary said:
I done it before on s9+ but i have read on some sites, that bootloader must be the same, my bootloader has the '7' bootloader but want to run a Oreo rom (exykings oreo light rom) can i just flash after clean flash, or is it not possible?
Thank you
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Not possible, you already answered yourself because you know you can't downgrade the bootloader and you can't run Oreo using the Pie bootloader.. If you're on an F version of the phone then you should be able to flash twrp and then flash whatever you want I'm assuming.
MrMike2182 said:
Not possible, you already answered yourself because you know you can't downgrade the bootloader and you can't run Oreo using the Pie bootloader.. If you're on an F version of the phone then you should be able to flash twrp and then flash whatever you want I'm assuming.
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im on the F version
but didnt understand your post.... i can flash whatever i want????
biggary said:
im on the F version
but didnt understand your post.... i can flash whatever i want????
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If you want to downgrade from Pie - N950FXXS"7"DSG1 to Oreo - N950FXXS"6"DRE2 you CANNOT do it because the bootloader ver "7" won't allow itself to be downgraded to lower versions "6",5,4,3,2, and 1! You're stuck on PIE!
(The Number in Quotes is the bootloader version. )
If you root your phone you can try to see if the custom oreo rom will boot with bootloader version "7" by asking and searching in the custom rom (that you choose to run) thread.
Root does come with a few cons like permanently tripped knox, No Samsung pay, and no knox related apps so read up on it.
(You will lose secure folder and Samsung health if you go back to stock firmware! But if you stay rooted and on a custom rom then you'll have access to Samsung health and secure folder (Devs found a way to get secure folder working! Check the note 8 roms forums for info on it.)
Edited.....
biggary said:
im on the F version
but didnt understand your post.... i can flash whatever i want????
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Read @BluePhnx post.. I already told you that you can't downgrade but you can root and flash twrp and then flash whatever roms that the devs have made for bootloader version 7! There's really no going back!
I coasted by for months not upgrading my note 8 because I heard bad things about pie on note 8. Well this morning I accidentally hit install now instead of backing out of it. Can I downgrade back to the final last version of oreo stock firmware? Here's my software info.
Can I and if so how to downgrade to tmobile note 8 oreo? https://imgur.com/gallery/puzXavA
Thank you very much.
Tmansdc said:
Can I downgrade back to the final last version of oreo stock firmware?
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I don't have the "how to" answer for you. However, since you aren't on AT&T's locked bootloader, you can downgrade to any stock ROM you like. In either case, backing up your data, is a must.
Anonymously_Unknown said:
I don't have the "how to" answer for you. However, since you aren't on AT&T's locked bootloader, you can downgrade to any stock ROM you like. In either case, backing up your data, is a must.
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What is wrong with my phone/odin? What am I doing wrong?
https://imgur.com/a/Krs3cgS
Tmansdc said:
What is wrong with my phone/odin? What am I doing wrong?
https://imgur.com/a/Krs3cgS
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You can only downgrade if you use the same bootloader version you're on bootloader version 5 so you cannot try to flash any bootloader version below 5 it must be 5 or above! @Anonymously_Unknown is incorrect when he stated your bootloader isn't locked because your bootloader is locked unless you have the F version which you don't have. You have the American version not the international F version. Also you need to use the newest version of Odin available.
Thanks for the clarification
I installed Dr.Ketan's ROM (CVDD) and wanted to try Beyond (CVD2) but the stock CVD2 gets stuck on ODIN (super when AP only and idfw if i also select the Bootloader)
I flashed CVDD, magisk pathed CVDD and twrp with no issue. I also tried flashing and old Android 11 firmware, but it also gets stuck. Tried with many versions of Odin, patched or not.
I read that even downgrading to A11 is possible and doesn't need any special steps, you just flash old firmware. Why mine refuses to flash anything other than the latest?
Thanks in advance for any help.
@palamosteliaro
The CVDD firmware for the Exynos Samsung Galaxy S21 series increments the underlying bootloader version to v5. As a result, you can't flash an older firmware with a lower bootloader version anymore.
Regarding downgrading to Android 11, the final Android 11 firmware (AUJ7 for most regions) featured bootloader version v3. The first stable Android 12 build (BUK8) also landed with the v3 bootloader, hence you could perform a downgrade. Nonetheless, a subsequent update (BULF) bumped the bootloader version to v4 and closed the downgrade path.
Oh I see. So its expected behavior then, that was my main concern. I think I know the answer, but you cant downgrade the bootloader version in anyway right?
Yes, there's no known way to do so.
SkandaH said:
Yes, there's no known way to do so.
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Thanks for the clarification bro.