[Q] How to unroot/stock Android? - Nexus S Q&A, Help & Troubleshooting

I have just flashed to CM7. How do I unroot and return to my stock gingerbread 2.3.3?

Download Odin and Nexus S stock firmware and flash it

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[Q] Want to downgrade ICS 4.0.3 Skyrocket

I recently flashed the leaked version of the ICS 4.0.3 on my AT&T Samsung Galaxy SII Skyrocket and I'm very disappointed with it. I would like to return to the original Gingerbread 2.3.6. Is there any link where i can find a Gingerbread 2.3.6 ROM file so i can flash it back into the phone? If not, how can i return to the original 2.3.6? Thanks in advance.
I don't have a link but you have to find a rom that is based off gingerbread nd flash it. Than unroot and u should get updates
You have to use k0nane's tar file to odin the phone back to 2.3.5 and then use the ota update to get to 2.3.6. But first you need to have clockwork mod so you can flash the 2.3.5 related radio file onto the phone so the ota can recognize you are legitametly on 2.3.5.

[Q] Back to stock

how can i go back to stock ics, with my LwW? thanks
just flash the stock rom via odin. and update as you normally would.

Nexus S 2.3.4 -> JellyBean (easiest way)

ok have a rooted Nexus S I9020XXKD1 GRJ22 running [email protected] #9 kernel.
rooted and bootloader unlocked.
I'd like to finally upgrade to Jelly Bean stock or custom rom and I am a little unsure if I'll need to first revert back to 2.3.6 stock then goto ICS then goto Jelly Bean...ect.
What is the easiest way to go from 2.3.4 -> JellyBean?
so I guess this is a GT-I9020T (3G) so I could essentially just flash the stock image located at
https://developers.google.com/android/nexus/images
choosing Jellybean from
Factory Images "soju" for Nexus S (worldwide version, i9020t and i9023)
if I wanted straight stock which would probably lose root and clockwork ect.. anyone confirm this?
or I could find a modded rom and just flash that instead to retain root?
You can do what you want.
Flash a rom with a root already.
Flash the stock images with fastboot. Flash or boot custom recovery and flash supersu or su.zip and have stock rooted.
You have a unlocked nexus. You don't "lose" root period

flash back to 2.3.6 after ICS

Hi, Is it possible to flash back to 2.3.6 after flashing 4.2.2?
I came across this thread, http://forum.xda-developers.com/showthread.php?t=1004647 what firmware version should I pick?
And what is the best method to properly flash back to 2.3.6?
yes flash 2.3.6
you can try using http://forum.xda-developers.com/showthread.php?t=2329200 to go back to 2.3.6

[Q] Go back to the Original Firmware from leaked. (Possible?)

I have downloaded leaked 4.2 update on my S3.. Is there possible to flash 4.1.2 on odin and go back and get all the firmwares from Samsung?

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