Downgrade GSM Gnex to 4.0.2 - Samsung Galaxy Nexus

Hello
Today i recieved the jellybean ota update. its not working. i searched for a while and found out that ill have to update it with something called cwm and this requires root, but i dont want to root my phone. so i thought it would be possible to downgrade my device but apparently this also requires root. I have an unlocked bootloader but is there no way to update/downgrade my device without using root?

Cubassss said:
Hello
Today i recieved the jellybean ota update. its not working. i searched for a while and found out that ill have to update it with something called cwm and this requires root, but i dont want to root my phone. so i thought it would be possible to downgrade my device but apparently this also requires root. I have an unlocked bootloader but is there no way to update/downgrade my device without using root?
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Click to collapse
cwm does not require root, just an unlocked bootloader.

Zepius said:
cwm does not require root, just an unlocked bootloader.
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Click to collapse
dafuq? it was written everywhere so can please someone delete this thread?

Related

[Q] Anyway to root 4.0.A[...] with locked BL?

I saw a few posts with solutions how to root newest FW (autoroot, root using recovery) but I don't have unlocked BL and I can't unlock it because my phone doesn't fastboot.
So is there a tricky way (I know how to use ADB so I won't have a problem with it if there's a solution using it) how to root newest fw for those with locked BL?
Please, don't offtop if you don't have nothing smart to say.
romcio47 said:
I saw a few posts with solutions how to root newest FW (autoroot, root using recovery) but I don't have unlocked BL and I can't unlock it because my phone doesn't fastboot.
So is there a tricky way (I know how to use ADB so I won't have a problem with it if there's a solution using it) how to root newest fw for those with locked BL?
Please, don't offtop if you don't have nothing smart to say.
Click to expand...
Click to collapse
Check this thread out on how to make fastboot work, will cost a little of money, but taking from the guys already done it's worth it
http://forum.xda-developers.com/showthread.php?t=1232050
Regards Dousan...
Dousan said:
Check this thread out on how to make fastboot work, will cost a little of money, but taking from the guys already done it's worth it
http://forum.xda-developers.com/showthread.php?t=1232050
Regards Dousan...
Click to expand...
Click to collapse
Yeah but what if we don't want to unlock the bootloader...flashing won't work cuz the update isn't OTA. What is this Recovery mode everyone is talking about?
I don't think you can flash a firmware through recovery AKA clockwork mod
To use recovery aka clock work mod you need to use fastboot to boot recovery play IMG, and flash a custom ROM like Dalvik2Cache
Sent from my Xperia PLAY R800i using XDA App
Fokezy said:
Yeah but what if we don't want to unlock the bootloader...flashing won't work cuz the update isn't OTA. What is this Recovery mode everyone is talking about?
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Click to collapse
Only way to get root with locked bootloader is by ota if available.
With unlocked bootlaoder you can do by several ways, for example flash pre-rooted DoomLord's kernel.
Thanks for every reply. I don't need root for now, I just wanted to ask if it's possible
BTW newest FW is awesome
romcio47 said:
I saw a few posts with solutions how to root newest FW (autoroot, root using recovery) but I don't have unlocked BL and I can't unlock it because my phone doesn't fastboot.
So is there a tricky way (I know how to use ADB so I won't have a problem with it if there's a solution using it) how to root newest fw for those with locked BL?
Please, don't offtop if you don't have nothing smart to say.
Click to expand...
Click to collapse
Yes you can simple re-flash to 2.3.2 root with gingerbreak and do an OTA update and you'll keep your root running 2.3.3 gingerbread rooted 4.0.A.2.368 R00i with locked bootloader...
You can use the new zergrush exploit, I heard that it works on 2.3.3
Sent from my Xperia Play
Fokezy said:
You can use the new zergrush exploit, I heard that it works on 2.3.3
Click to expand...
Click to collapse
It does http://forum.xda-developers.com/showthread.php?t=1312859

is there a way to get or keep root updating to 2.3.4 / 40..... update

is there a way to get or keep root updating to 2.3.4 / 40..... update
Wait for OTA
or, flash through recovery (if your bootloader is unlocked) +autoroot
Sent from the best phone ever
i have 2.3.3 rooted bootloader locked and a ota update aviable i hears if i so a ota update i ll lose root :/
what did you say?
anyway, if you followed the downgrade-root-OTA method, you won't lose root for as long as all your succeeding updates will be AND ONLY BE via OTA granting your bootloader is LOCKED (as your phone will be bricked if BL is unlocked) and that the system files were not tampered in any way..
.. For the INSTANT solution:
Go ahead and unlock your bootloader and flash Doomlords kernel.
Done and done.
HearthC0re said:
.. For the INSTANT solution:
Go ahead and unlock your bootloader and flash Doomlords kernel.
Done and done.
Click to expand...
Click to collapse
Yes exactly easiest way plus you get the update now and don't need to rely on ota every time
Sent from my R800i using XDA App
downgrade to what? 2.2.3? n i hears there is bad points to unlocking bootloader like play station sutie worrys of that not working :/

Unlocked Bootloader and rooted 4.0.4.062

Hi Guys, sorry for this noobish question
I have unlocked my bootloader R800i and rooted it using fastboot method
My question is, if i relock my bootloader, will i lose my root and will i be able to do OTA update for ICS coming end of April?
RezaFaliq said:
Hi Guys, sorry for this noobish question
I have unlocked my bootloader R800i and rooted it using fastboot method
My question is, if i relock my bootloader, will i lose my root and will i be able to do OTA update for ICS coming end of April?
Click to expand...
Click to collapse
You can have root without unlocked bootloader
but It makes me wonder why you would revert back to locked?
just wait for someone to make a ROM / nandroid and flash the new file lol.
OTA is for people who aren't used to fooling with there device
apparently i tried rooting but i cant root without unlocking bootloader, only after i unlocked the bootloader i manage to get root
so it is advisable to just keep my unlock bootloader and flash new roms using Flashtool?
RezaFaliq said:
apparently i tried rooting but i cant root without unlocking bootloader, only after i unlocked the bootloader i manage to get root
so it is advisable to just keep my unlock bootloader and flash new roms using Flashtool?
Click to expand...
Click to collapse
If you want a practically guaranteed method of rooting, yes that would be easiest. FTFs only come out like 1-2 weeks at most after the update is sent out anyway

[Q] Lost root from efrants root without wiping (4.1.2) to Android 4.2 update (solved)

Hello all,
I already searched the forum but I did not found any good answer.
1. In the past I've succesfully applied root access without unlocking the bootloader while still beeing on Android 4.1.x from this guide:
http://forum.xda-developers.com/showthread.php?t=1894717
2. Now I've got a 4.2 OTA update. Before applying it I used Voodoo OTA rootkeeper to keep a backup of su.
3. Restored su with Voodoo OTA rootkeeper
The result is that I have again root access from shell but when I want to use Apps which require root I always get failures and even no confirmation dialog.
How do I get superuser working (fully root) like before?
Thanks,
therealmarv
http://download.chainfire.eu/282/SuperSU/
Jubakuba said:
http://download.chainfire.eu/282/SuperSU/
Click to expand...
Click to collapse
How should I flash that without having CWM? I think I need a manual repair :/
Is your bootloader locked?
If not...use my guide (in sig or stickied) to back up data before unlocking...
If so... "fastboot boot recovery.img" and flash the file.
The recovery is only being booted into...not written to the phone; so you'd still be stock rooted.
How in the world you not have a unlocked bootloader when you rooted before..
That aside, do remember to keep the bootloader unlocked next time..
Mach3.2 said:
How in the world you not have a unlocked bootloader when you rooted before..
That aside, do remember to keep the bootloader unlocked next time..
Click to expand...
Click to collapse
The same sort of exploit that was used in ICS was eventually found for 4.1.1 that allowed root without unlocking.
Jubakuba said:
The same sort of exploit that was used in ICS was eventually found for 4.1.1 that allowed root without unlocking.
Click to expand...
Click to collapse
What i mean is how can they not unlock the bootloader after rooting..
I did not unlocked bootloader because I thought it is not necessary (and I also thought it will affect OTA updates). So just to get it right: I can make a backup of my phone, root it, unlock bootloader and recover the backup afterwards so that no data is lost?
Ok I solved my issue (having su access via adb and locked bootloader) with this thread:
http://forum.xda-developers.com/showpost.php?p=27085483&postcount=141
1. I unlocked the bootloader with the link above
2. flashed CWM with fastboot
3. flashed SuperSU CWM ZIP for getting root again
So I now have fully root, unlocked bootloader and cwm great.

If i root my phone, will OTA break my phone?

Hi,
I saw there is a tool now where it is all GUI based and i can now unlock the bootloader and root my device. If i used this tool to root my phone and install something like TWRP but stayed with the default ROM that comes with my ZenFone 2 (Specifically the ze551ml ASUS_Z00AD) and i receive an OTA update from Asus, will it brick/do something funny with my device?
Also, is there a way to deroot my device if i decide i dont want it anymore? Cheers.
You need to remove root and have stock recovery, yes you can remove root...
Be careful of bootloader unlock tools, especially the official one, it tends to not work properly...
stay in stock recovery when you receive an OTA Update just unroot and install , be sure that you didnt modify/uninstall any system app.
You can unroot and modify ota file to work with TWRP. Guide is here somewhere. That way you can have updates and TWRP going for you.
Hey, I have my bootloader unlocked and my phone is rooted. If I unroot my phone through Super SU and update via OTA will it be updated without any issues?
Ok, makes sense guys, cheers for that
Sent from my ASUS_Z00AD using Tapatalk
domacikolaci said:
Hi,
I saw there is a tool now where it is all GUI based and i can now unlock the bootloader and root my device. If i used this tool to root my phone and install something like TWRP but stayed with the default ROM that comes with my ZenFone 2 (Specifically the ze551ml ASUS_Z00AD) and i receive an OTA update from Asus, will it brick/do something funny with my device?
Also, is there a way to deroot my device if i decide i dont want it anymore? Cheers.
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Click to collapse
Can you tell me what is the apps? Thanks

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