[GUIDE] Root and Recovery for the Nexus S

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Koush

Retired Recognized Developer
Sep 21, 2007
917
870
First, reboot into your bootloader/fastboot mode. (Volume + Power Up, or adb reboot bootloader)

fastboot oem unlock
Then, install this recovery:

http://koush.tandtgaming.com/recoveries/recovery-clockwork-3.0.0.0-crespo.img

fastboot flash recovery recovery-clockwork-crespo.img
Then boot into Clockwork recovery and install the Superuser zip file (adb reboot recovery, or from fastboot choose recovery):

http://forum.xda-developers.com/showthread.php?t=682828

To install a rooted/insecure boot image (adb has root, THIS IS OPTIONAL, THE ABOVE STEPS ALREADY GOT YOU ROOT):
http://koush.tandtgaming.com//samsung/herring/rootboot.img

fastboot flash boot rootboot.img
ROM Manager support is coming shortly. If you like my work, you can support me by buying any one of my Market apps :)
 
Last edited:

moskuito

Senior Member
Jul 29, 2009
224
1
Venexia
That's awesome! Thanks man!
Can't wait for my friend to come back from US with a couple of these flaming babies... guess we'll be already having a CM build for them by that time :)
 

DAGr8

Inactive Recognized Developer
Feb 27, 2010
3,713
6,309
Montreal

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  • 86
    First, reboot into your bootloader/fastboot mode. (Volume + Power Up, or adb reboot bootloader)

    fastboot oem unlock
    Then, install this recovery:

    http://koush.tandtgaming.com/recoveries/recovery-clockwork-3.0.0.0-crespo.img

    fastboot flash recovery recovery-clockwork-crespo.img
    Then boot into Clockwork recovery and install the Superuser zip file (adb reboot recovery, or from fastboot choose recovery):

    http://forum.xda-developers.com/showthread.php?t=682828

    To install a rooted/insecure boot image (adb has root, THIS IS OPTIONAL, THE ABOVE STEPS ALREADY GOT YOU ROOT):
    http://koush.tandtgaming.com//samsung/herring/rootboot.img

    fastboot flash boot rootboot.img
    ROM Manager support is coming shortly. If you like my work, you can support me by buying any one of my Market apps :)
    6
    Rooting wouldn't work for me. Had to go in the recovery to "mounts and storage" then mount /system. Then flash the zip and then it worked. Should add this to the steps.
    4
    Please help me out here.
    I did fastboot oem unlock jsut fine, wiped my phone. flashed clockworkmod just fine. boot up phone, turned off, went back to recovery, flashed su-2.3.6.1-ef-signed (is this the right one?) that flashed fine.
    boot phone back up, i see no superuser app/icon?
    Now what?
    I tried downloading superuser app from market, doesn't work.

    I'm trying to do this:
    ------
    You need to adjust the chmod on su.
    Do a remount and adb shell, then cd to /system/bin then type: chmod 6775 su
    You should now be able to type su and it should work.
    ------
    What do I remount? what's the exact command?
    i know how to adb shell, then cd to /system/bin, and type chmod 6775 su, but doesn't work, i dont know what the remount command is.
    THanks.

    adb remount didn't work for me, permission denied.
    So what you need to do is restart in recovery:
    adb reboot recovery

    then use the +/-volume keys to mount the file system

    extract su-2.3.6.1-ef-signed.zip

    then

    push <location where you extracted the file>\system\bin\su /system/bin/
    push <location where you extracted the file>\app\SuperUser.apk /system/app

    then

    adb shell
    cd /system/bin
    chmod 6775 su

    then restart the phone.
    3
    Video and Step by Step Instructions for Newbies

    First, reboot into your bootloader/fastboot mode. (Volume + Power Up, or adb reboot bootloader)


    Then, install this recovery:

    http://koush.tandtgaming.com/recoveries/recovery-clockwork-herring.img


    Then boot into Clockwork recovery and install the Superuser zip file (adb reboot recovery, or from fastboot choose recovery):

    http://forum.xda-developers.com/showthread.php?t=682828

    To install a rooted/insecure boot image (adb has root, THIS IS OPTIONAL, THE ABOVE STEPS ALREADY GOT YOU ROOT):
    http://koush.tandtgaming.com//samsung/herring/rootboot.img


    ROM Manager support is coming shortly. If you like my work, you can support me by buying any one of my Market apps :)

    Here I did a quick step by step with an instructional video for newbies. Hope it helps someone!

    http://theunlockr.com/2010/12/17/how-to-root-the-samsung-nexus-s/
    2
    Might help

    I already did that and it DID give me root. However, Titanium Backup in particular still says it cant get root access. All of my other root apps are working properly though. I thought it might be a busybox problem so i pushed busybox to /bin and still have the same issue. Description for Titanium Backup mentions that its compatible with android 2.3...

    Hi, i had the same problem along with no patience to wait for the kernel with adb root (will work for sure) so i used superoneclick and downloaded the busybox app from the market but pretty sure this is what did it for me. i did both root and shell root ill attatch the zip

    like i said the Kernel with adb root found here (http://forum.xda-developers.com/showthread.php?t=876132) will work also
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