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[Q] going to start experimenting with my Nexus s

Finally got a nexus s, & wanna start experimenting with root & ROMs, but i used to htc sense phones in which i can just use stock rom exe to go back to stock ROM, how do i do the same thing with my nexus s, i mean if something goes wrong is there any way of going back to stock ROM,
don't say just do the nandroid, because that means rooting first, can somebody please help me on this one

starting experimenting
if you want experimenting with your NS you have to root the phone first. It is really easy to root the nexus s, just have a look at this tutorial:
http://forum.xda-developers.com/showthread.php?t=895545
and then you can make a nandroid backup, like what you said.
if somethings goes wrong anyway, there is a way to go to stock as well.
http://forum.xda-developers.com/showthread.php?t=884093
just try, in worst case you can go to stock

The answer is Nandroid.
Nexus phones are different. Super easy.
Fastboot OEM unlock
Accept the warning
Fastboot flash recovery blah.img
Make nandroid, mount it back it up etc. Then flash whatever rom u want.
If u want to go back to stock, nandroid recover then
Fastboot OEM lock
say yes and you're back to stock.
-Nexus S

It is NOT necessary to oem unlock the phone to flash clockwork or a custom rom. See this method here: http://forum.xda-developers.com/showthread.php?t=931865
Also, if you're going to oem unlock, be aware it completely wipes all data off the phone, including anything on the sdcard you may have put there (like pics from the camera).
Finally, the most bizarre thing about the original post is that you're willing to flash custom roms, but not to root? Huh? You're aware that most custom roms come PRE-ROOTED, aren't you? What's the difference? Just curious....
By the way, Google's own blog states they intentionally made this phone easy to root and add customizations to...it's extremely safe and easy.

distortedloop said:
It is NOT necessary to oem unlock the phone to flash clockwork or a custom rom. See this method here: http://forum.xda-developers.com/showthread.php?t=931865
Also, if you're going to oem unlock, be aware it completely wipes all data off the phone, including anything on the sdcard you may have put there (like pics from the camera).
Finally, the most bizarre thing about the original post is that you're willing to flash custom roms, but not to root? Huh? You're aware that most custom roms come PRE-ROOTED, aren't you? What's the difference? Just curious....
By the way, Google's own blog states they intentionally made this phone easy to root and add customizations to...it's extremely safe and easy.
Click to expand...
Click to collapse
thanks for the info, i said, i want a way to going back, i want root, why the hell not?

polandy posted above a perfect guide to return back to stock just as shipped through manufacturer. Just make sure you relock the BOOTLOADER for any warranty purposes. Now you can flash all you want and can go back to "stock". Here is the link again, http://theunlockr.com/2011/01/20/how-to-unroot-the-nexus-s/

dryspuri said:
thanks for the info, i said, i want a way to going back, i want root, why the hell not?
Click to expand...
Click to collapse
I misunderstood you. You can flash cwm without rooting first, I think you could try nandroid before rooting.

Don't forget we have Odin now to return to stock......
Sent from my Nexus S using XDA App

sarge363 said:
Don't forget we have Odin now to return to stock......
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
Stock version of a European ROM from an unknown (though not necessarily untrusted) source...
Sent from my MacBook Pro using Chrome

sarge363 said:
Don't forget we have Odin now to return to stock......
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
How do u do that? I had Samsung galaxy s first so I know what Odin is, can you please post the link to rom or image.

dryspuri said:
How do u do that? I had Samsung galaxy s first so I know what Odin is, can you please post the link to rom or image.
Click to expand...
Click to collapse
Search is your friend, but here it is for ya: http://forum.xda-developers.com/showthread.php?t=947950

distortedloop said:
Stock version of a European ROM from an unknown (though not necessarily untrusted) source...
Sent from my MacBook Pro using Chrome
Click to expand...
Click to collapse
I did not know there was a European version of the Nexus S..... build says GRH78 which is stock for "US"......
Sent from my Nexus S using XDA App

sarge363 said:
I did not know there was a European version of the Nexus S..... build says GRH78 which is stock for "US"......
Sent from my Nexus S using XDA App
Click to expand...
Click to collapse
I didn't say a there was European version of the Nexus S (yet)...but it's well known that there is one coming. I said this was a European version of the ROM.
Did you read the thread that has the files? The first post says that the guy obtained it from Samsung service center in England. Then someone asked if there was a US version, and no one corrected him in saying that this one was or wasn't. Granted, Samsung England could easily have access to US ROMs from the Samsung mothership, so that alone is not proof it is European.
However, if you download the rar file from that thread, and unrar it, you'll see that it contains a file named "CSC_I9020_EUR.tar" which is clearly a EURopean CSC file, making this a European ROM.
The PDA file's images may be 100% the same as a stock US phone, but until someone flashes this stuff from Odin and somehow runs a diff against a stock US ROM, I'm not assuming it's the same thing just on faith. You're welcome too, of course.
What's interesting to me is that there is a CSC at all. I don't think our Nexus S uses it, or at least it doesn't use it in the same way as the Samsung issued ROMS do. CSC is carrier specific customizations, if you're not familiar with it; it's a way to add bloatware and carrier settings to the phone.

[Q] Nandroid backup tutorial?

hi I rooted my phone yesterday I want to do a nandroid so i can revert to original state if i ever have to return it back to samsung, I seen guides online but didnt want to try them incase something is diferent

It's really quite simple. Open rom manager, scroll down, click backup current rom. Don't touch anything till it reboots.
Oh and restoring a backup of your rooted rom won't revert your phone to being unrooted. If you are going to send it in you may need to unroot and lock your bootloader. I've never sent a phone in so I'm not a 100% though.

Yeah i heard about needing to lockboatloader etc i might just use my free phone insurance from my bank and claim a lost phone. Is this the same for kernals i think i had read something as i want cyanogen mod and kernal so i can get voodoo
Sent from my Nexus S using XDA App

tonyt3rry said:
I seen guides online but didnt want to try them incase something is diferent
Click to expand...
Click to collapse
which model do you have?
they are all safe

want to go back to plain stock rom

how do I do that? since I just rooted and got s off today i dont like the rom i put on and would rather go back to the ota update which had my phone running smooth.

I'm assuming since you had the capacity to s-off your device, that you also read that you should make a nandroid backup. If u didn't then you are not out of luck but hopefully you learned your lesson. You have to flash a stock ruu for your phone. I'm %100 sure that a simple search would yield your intended results. But there ya go anyways.

Orrr just use the RUU.

Thanks I'll search for that now
Sent from my HTC Sensation 4G using XDA App

konflikt1911 said:
how do I do that? since I just rooted and got s off today i dont like the rom i put on and would rather go back to the ota update which had my phone running smooth.
Click to expand...
Click to collapse
If you followed the instructions, you ran backup in recovery. So restore from the backup in recovery.

[Q] I must be doing it wrong. Is there an easier way to get back to stock?

Hey, guys-
I'm unrooted and running stock Android. I have all of my settings and apps exactly how I like them right now.
In the past, I've flashed different ROMs and Kernels. When I get tired/frustrated with them and want to revert back to stock, I usually just do the 1 click revert back to factory settings. When you do that, it... well.. erases anything and everything in order to get back to factory settings.
Nothing is broke. I just don't want to delete my SD card contents and lose root. I just want to revert to the stock kernel and ROM from another ROM and kernel.
I was wondering if there's an easier way to get back to my current settings on the stock Android and Kernels WITHOUT using the 1 click revert back to factory method? If there is, could you PLEASE tell me how to do it EXACTLY? I say that because sometimes people on here give instructions that are clear as mud. Thanks!

Factory reset does NOT restore kernels or roms. It simply wipes user data.
You're confused. What you really want is a nandroid back up

If you have ROM Manager installed, open it up and go to "Download ROM". At the very bottom of the list, there should be a selection that says "Stock Images". I'm pretty sure you can use that to get back to stock. I'M NOT POSITIVE, I've never tried it before. It may unroot your phone/get rid of clockwork mod recovery. Just a suggestion

Remember to fastboot OEM lock
Sent from my HD2 using Tapatalk

shockem said:
Remember to fastboot OEM lock
Sent from my HD2 using Tapatalk
Click to expand...
Click to collapse
Ummm... what?

DangerZone1223 said:
Ummm... what?
Click to expand...
Click to collapse
That is to relock your bootloader. Just flash a stock rom in recovery with a full wipe, You'll be unrooted.
Stock roms can be found here.
http://forum.xda-developers.com/showthread.php?t=1063664

It's also wise to keep your content copied on a folder on your comp. 5 minutes of copying back and you got it all back. If you got all that sorted what you should always do is once you've got a stock rooted rom, run a nandroid backup/backup restore from CWM before you flash new roms / kernels.

People posting all this trash.
Nexus S 4G 1 Click : http://forum.xda-developers.com/showthread.php?t=1167819
Nexus S 1 Click : http://nexusshacks.com/nexus-s-hacks/how-to-unroot-nexus-s-i9020ti9020ai9023/
USE GOOGLE PEOPLE! If you don't know what you're talking about, keep your mouth shut!
The easiest method would've been to nandroid backup your OEM setup & restored it...

Exaxtly. GOOGLE IS YOUR TEACHER.google will teach you so much. Use it!!!!
Mish.Mash said:
People posting all this trash.
Nexus S 4G 1 Click : http://forum.xda-developers.com/showthread.php?t=1167819
Nexus S 1 Click : http://nexusshacks.com/nexus-s-hacks/how-to-unroot-nexus-s-i9020ti9020ai9023/
USE GOOGLE PEOPLE! If you don't know what you're talking about, keep your mouth shut!
The easiest method would've been to nandroid backup your OEM setup & restored it...
Click to expand...
Click to collapse
sent from my Nexus S

[Q] I just rooted my phone, what can I do now?

Hi, I just rooted my phone by using this awesome guide http://forum.xda-developers.com/showthread.php?t=1773659, I was wondering what are the larger benefits i should be doing now that my phone is rooted? and how do i upgrade from CWM V5.5 to CWM V6 ? Thanks a lot

vpdragon0 said:
Hi, I just rooted my phone by using this awesome guide http://forum.xda-developers.com/showthread.php?t=1773659, I was wondering what are the larger benefits i should be doing now that my phone is rooted? and how do i upgrade from CWM V5.5 to CWM V6 ? Thanks a lot
Click to expand...
Click to collapse
Download the latest CWM Recovery and flash it as you did the previous, would be smart to get the CWM Touch version.
Well lets see with a rooted phone, you can install apps from various APK files, some of which allow you to use your device as a tethered modem for a laptop or Tablet. What more can you do with a rooted phone, well you can install various custom ROM's, but if you are not familiar with that aspect, READ, READ, and READ some more take several days to read on how to do it, before you download anything to do it. NO ONE will take responsibility for anything that you do to your device, except for yourself. You brick it you buy it.
There are a LOT of custom ROMs out there, read up on them, and find one that suits you. Don't just flash the first one you see, be as best informed as you can possibly be.

thanks, right now im trying to backup my efs folder, but the apps i tried ktool and efs pro says it doesnt support the skyrocket. what else could i do?

vpdragon0 said:
thanks, right now im trying to backup my efs folder, but the apps i tried ktool and efs pro says it doesnt support the skyrocket. what else could i do?
Click to expand...
Click to collapse
Get Super Manager from market. Copy the whole EFS folder to an external sd card. Then from there copy it over to your comp. This way you have two backups of the whole thing.

My phone is rooted, what would be the best way for me to unlock the tethering option without having to pay for it? I would prefer a way to do it like by root explore and changing some values as to installing an app....any input would be great. And yes I'm rooted on stock ics, from att
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

There is a free one on play store for root users.
Sent from my S2 Skyrocket

kevace1 said:
My phone is rooted, what would be the best way for me to unlock the tethering option without having to pay for it? I would prefer a way to do it like by root explore and changing some values as to installing an app....any input would be great. And yes I'm rooted on stock ics, from att
Sent from my SAMSUNG-SGH-I727 using xda app-developers app
Click to expand...
Click to collapse
After I had rooted mine, I went in and was able to use tethering WITHOUT an app, nor making changes. (that I recall). Mine was still ICS Stock but rooted.

vpdragon0 said:
thanks, right now im trying to backup my efs folder, but the apps i tried ktool and efs pro says it doesnt support the skyrocket. what else could i do?
Click to expand...
Click to collapse
Flash the moded 6.0.15 cwm recovery from sk8erwitskil in the dev section and it has the option to backup the efs as an img..Just copying the efs folder will not do a crap for you cause the permissions are messed up this way...And by the way learn to do things by your own (by reading here) ... Its xda here not a cooking forum and links to google play store..