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[Q] How can I return to stock kernel ?

I am new to the nexus s , but have been a heavy galaxy s user. I noticed that flashing roms etc is a bit different from what I am used to on my galaxy s .. I did not see any thread containing stock kernels ... So how can I return to stock after I have flashed another kernel ? I have installed the voodoo kernel with ext4, sound and colour enhancement .. But suppose I want to return to my stock gri54 kernel , how can I do that ? Have read allready about fastboot etc etc but then I should have an .img of the stock kernel , correct ?

By flashing back to stock rom, you will get back your stock kernel automatically.
Sent from my Nexus S using Tapatalk

navlem said:
By flashing back to stock rom, you will get back your stock kernel automatically.
Sent from my Nexus S using Tapatalk
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So by flashing back to stock ROM via recovery, does it mean that it will be locked and un-rooted as factory default [like when you first purchase the device]?

navlem said:
By flashing back to stock rom, you will get back your stock kernel automatically.
Sent from my Nexus S using Tapatalk
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But will i not loose everything if i do it like that? And where can i find stock rom. I only found an odin package
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johnkim0011 said:
So by flashing back to stock ROM via recovery, does it mean that it will be locked and un-rooted as factory default [like when you first purchase the device]?
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It will be unrooted, but still with unlocked bootloader.

Bandis710 said:
But will i not loose everything if i do it like that? And where can i find stock rom. I only found an odin package
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The Odin package can put you back to stock rom too.

So what you are saying there is no way to flash only the stock kernel ?? Very confusing .. I am able to flash just another kernel using fastboot but I am not able to flash back the stock kernel using fastboot ? Odin is a last resort method .. haven't seen fastboot .img files of the stock here in the forums ?

I'm not sure if anybody posted any stock kernel file in the forums. If there is any, you can easily download it and install via recovery or fastboot.
Otherwise you can only revert to stock roms because stock roms links are easily available through the forums or samsung firmware website.

Or after you have failed everything, may want to consider Odin. It seems to touch the phone at a lower level compare to other techniques.
follow the instruction on this
http://www.samfirmware.com/WEBPROTECT-i9023.htm
work great for me after all
Samsung i9023
Good luck

Yeah , I also mentioned odin allready .. Used it a lot when I had my galaxy s .. Just thought that since the nexus s can use fastboot I could get rid of odin ..
I am also not used that all has to be flashed to achieve a single goal .. On the galaxy s I could flash the kernel separately and also stcok kernel were easy to find .. I think it is kind of a hassle to reflash a whole rom just because you want stock kernel back ..

Voodoo has stated that his kernel is 'almost' stock, with only voodoo addon to the pure stock kernel. Maybe you can use that?

Some news here?

Hi there!
I was also wondering about this same situation. Let's say I want to stick with the original ROM and try some non-stock kernels. After some tests I know there is an OTA available but I don't want to backup and restore everything (using TB or similar). From what I understood I wouldn't be able to flash stock kernel (in other words, back to full stock ROM + Kernel) and apply OTA update...
What if we just flash boot.img from a nandroid of stock rom+kernel?
RM

Here you go: http://forum.xda-developers.com/showpost.php?p=20442919&postcount=3
Sent from my Nexus S using XDA App

Hoo great!
but, can you tell us where to find or how to get it from the stock ROM and make it flashable? It might be useful for upcoming releases of stock ROM/Kernels.
Thank you once again,
RM
edit: after searching by the filename you gently provided I found this:
hxxp://www.android-hilfe.de/2277361-post1.html
hxxp://www.michalurban.cz/Nexus_S_i9023/Kernel/
seems to be a good compilation, and stock is in the list!

The file I posted is already flashable through CWM. Just wipe dalvik first. Of course make sure you have a Nandroid backup just in case.

Hi,
sure, I noticed that. What I was wondering was how to get this flashable kernels. From the stock ROM full installation file? From a nandroid backup of a stock ROM??
RM

Hi, is any chance to get stock kernel for Jelly Bean 4.1.1? I've got stock rom, Air Kernel and OTA is buzzing me multiple times a day. No luck in upgrade, Error Status 7. I think it's Air Kernel's fault.

0mn1us said:
Hi, is any chance to get stock kernel for Jelly Bean 4.1.1? I've got stock rom, Air Kernel and OTA is buzzing me multiple times a day. No luck in upgrade, Error Status 7. I think it's Air Kernel's fault.
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http://forum.xda-developers.com/showthread.php?t=1572307
Flash factory. Easy.
Sent from my Nexus S using xda premium

To avoid bricking going back to stock its just an advice

Hi people I see that a lot of people its having issues when they trying to go back to original stock after you root your device andyou install cwm simply do a backup of your stock rom then u flash any other custom rom in case u need to go back to stock simply do a backup/restore I know 98% know this but its just an advice cus I see a lot of ppl bricking there devices going back to stock good luck to all
Sent from my SGH-T839 using xda premium

I had a backup of my stock rom... then I flashed glorious overdose... then i tried restoring the stock rom... and i got stuck in a boot loop :[
I need help going back to my stock rom!

fiveseven808 said:
I had a backup of my stock rom... then I flashed glorious overdose... then i tried restoring the stock rom... and i got stuck in a boot loop :[
I need help going back to my stock rom!
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Time to fire up Odin.

Problems flashing ddtk3

I have cm7.2 rc0 that I flash on cm 7.2 rc5.5 that I directly flashed on ddtk3(without actually using it even once) that I flashed over stock gb 2.3.4 . Now I used Odin and wiped cache /data on the stock recovery (as well as cwm) but the phone still goes into boot loop. I want the stock rom but can't install it. Help!
Also how to root it? Don't want to use rajrocks deoxed thing cause I don't like the colour scheme and stuff.
Thanks

itworks awsome

May be you Can try this on your own risk
The stock rom links are also available there
http://forum.xda-developers.com/showpost.php?p=23324199&postcount=1

Thanks I'll try that but I really don't think it's a problem with the rom.
Sent from my GT-S5670 using xda premium

u have to use it ddkt3 for sometime

Try to flash the stoc rom via odin, search youtube for tutorial flashing via odin

how to intall custom recovery on galaxy fit gt-s5670 on stock rom 2.3.6

i have stock rom 2.3.6 installed on my phone..
n i just flashed custom recovery from tj style.. wiped data n wiped cache
then i reboot bt my phone is nt starting now..its just keep rebooting again and again..plz help

you may have to reflash via oden ,i'm not sure

try to reflash your Stock 2.3.6 ROM via odin, and then flash tj_style's CWM via odin too

Syfer_Fever said:
try to reflash your Stock 2.3.6 ROM via odin, and then flash tj_style's CWM via odin too
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hmmmm but the stock rom has rfs file system and so cwm can't be used on it

cwm can't use for Backup stock ROM
and if cwm can't installed in stock ROM how can we use Custom ROM? lol

lol i see
i have to install cwm using oden before using any custom rom thanks dude i'm new here =D

Dude what you have to do is paste any rom into root of your SD and flash via CWM wipe data and reboot it works it worked for me...
If u want to flash stock rom reflash the stock rom via Odin....
Press "thanks" if it helped u
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andluv said:
Dude what you have to do is paste any rom into root of your SD and flash via CWM wipe data and reboot it works it worked for me...
If u want to flash stock rom reflash the stock rom via Odin....
Press "thanks" if it helped u
Sent from my GT-S5670 using xda premium
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Thanks dude..
Day is exactly what I did n it worked 4 me:beer::beer::beer:
Sent from my GT-S5670 using XDA

vikas1038 said:
i have stock rom 2.3.6 installed on my phone..
n i just flashed custom recovery from tj style.. wiped data n wiped cache
then i reboot bt my phone is nt starting now..its just keep rebooting again and again..plz help
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I had this prob yesterdqy,,
You need to flash the original stock rom before you can flash another rom..
Flash the "S5670XXKPI" stock with ODIN,, after that, your SGFit will be fine... You can flash other rom qfter you flash the original rom..
Good Luck!..
Sent from my GT-S5670 using xda premium

I installed stock ROM S5670XWKTI. After, I installed CWM. Via CWM I can install customize ROM, but I do not want a custom ROM than the stock ROM. All custom ROM have bugs. For me the most stable stock ROM. For example. for me on the CWM not work mount / system, cash, etc.
Yesterday I tried on stock ROM install 14 toggles Galaxy Fit , but before that the CWM has to go to mount / system that does not work for me.

You cant mount system via cwm on stock rom because to mount system, it must be ext4 witch is not in stock rom.
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Dude, the CWM by Tj style is for the ext4 system... and the stock rom is RFS..
You should flash the CWM by Vish coz it support the RFS system , not the Tj style vers..
Cmiiw..
Sent from my GT-S5670 using xda premium

you guys CAN install CWM v5 by tj_style in stock ROM, but it CANNOT backup stock ROM wich is RFS, if u on stock ROM and then install cwm v5 via odin and u can directly flash custom ROM via CWM

CWM by Vish coz link for download

pito2204 said:
CWM by Vish coz link for download
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Link:
http://forum.xda-developers.com/sho...ighlight=clockworkmod+recovery+for+galaxy+fit

http://forum.xda-developers.com/showpost.php?p=24719114
I use CWM_rfs.zip that posting by pratyush.creed and it works on my Stock ROM S5670JPKT4.

googler78 said:
http://forum.xda-developers.com/showpost.php?p=24719114
I use CWM_rfs.zip that posting by pratyush.creed and it works on my Stock ROM S5670JPKT4.
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How you used. With Odin or ...?

Please post all questions in the Q&A section.
Thread Moved

[Q] TWRP vs. CWM

I remember seeing over in the Dev. forums that CWM recovery isn't restoring the kernel properly when people try to restore their backup of the stock ROM
Does this happen with TWRP as well? Or is the issue with the stock ROM / Kernel?
I'm hesitant to try CM9 and would like a clean way to recover to the stock ROM without having to use the downgrade method and reinstall everything.

edgemaster191 said:
I remember seeing over in the Dev. forums that CWM recovery isn't restoring the kernel properly when people try to restore their backup of the stock ROM
Does this happen with TWRP as well? Or is the issue with the stock ROM / Kernel?
I'm hesitant to try CM9 and would like a clean way to recover to the stock ROM without having to use the downgrade method and reinstall everything.
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From what I read in the CM9 thread someone had the same issue when using TWRP.

Nandroids don't include the kernel i believe it must be restored seperately

It should, wouldn't that be in boot.img? I know on my Droid Inc I have gone between sense and aosp backups, both using different kernels.
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