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Thread: Help rooting Droid Razr 4.1.2?

  1. Junior Droid
    lilmc1428's Avatar
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    #51
    I just tried the instructions and they worked perfectly for me.i finally have root again.THANK YOU!!!!!!
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    #52

    Re: Help rooting Droid Razr 4.1.2?

    Quote Originally Posted by lilmc1428 View Post
    I just tried the instructions and they worked perfectly for me.i finally have root again.THANK YOU!!!!!!
    I assume you used Matt's batch? Cuz seems like my method doesn't work for everyone or perhaps I got lucky with mine.


    Sent from my DROID RAZR using Tapatalk 2
  3. Junior Droid
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    #53
    I used the commands listed by enkryptic on page 2 I think it was.i couldn't get matt's batch to run for some reason
  4. Junior Droid
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    #54
    sorry I wasn't paying attention.i used your intructions
  5. Junior Droid
    Just4sc's Avatar
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    #55
    Quote Originally Posted by enkryptik View Post
    Grabbed Superuser-3.1.3-arm-signed.zip from Superuser
    extracted the su and superuser.apk to root of where adb.exe is.

    Some of this you can possibly cut out but I was basically just trying different things til I got it to work plus i wanted the su and superuser.apk on root of sdcard incase needed again.

    I'm on win 8 pro so I had to set it to run as admin for adb to even work.

    commands:
    adb shell
    su
    mount -o rw,remount -t yaffs1 /dev/block/system /system

    adb push su /sdcard/
    adb push superuser.apk /sdcard/
    adb shell
    su
    cp /sdcard/su /system/bin/
    cp /sdcard/superuser.apk /system/app/


    Don't have to reboot I don't think but always best to so you don't have to set read-only on system again. check to see if you have root with root check basic or whatever app you want.

    Let me know if it works for you. I'd even consider starting a remote session and trying it if anyone would be up for it.
    I'm pretty sure that's all I had to do.
    I got root by using the files you listed but running a slightly different set of commands. I initially thought that I did not have the su-backup file but while poking around I found it in the system folder (this is the most important piece!). I looked at Matt's script and stripped out the things that worked for me. I had thought earlier that even if you had a copy of the su-backup you still needed root to get it to work. I was wrong. Looking at the permission settings of su-backup in the system folder I noticed that the backup file has the same rights as the su file. So here are the commands that I used from Matt's script (some may not be needed but...) (fyi - I'm on Windows 7 Ultimate and ran Windows command prompt with administrator privileges: (for all instances of /system/su-backup you'll need to substitute where your copy of su-backup is - IE. if it's in /system/usr/ you'll use /system/usr/su-backup instead

    adb kill-server > nul
    adb start-server > nul
    ping 1.1.1.1 -n 1 -w 500 > nul
    adb wait-for-device devices > nul
    adb shell "/system/su-backup -c 'mount -o rw,remount -t ext4 /dev/block/system /system'"
    adb shell "/system/su-backup -c 'cp /system/su-backup /system/bin/su'"
    adb shell "/system/su-backup -c 'chmod 6755 /system/bin/su'"

    I then tested to see if I have su rights by going into adb shell and running "su":

    adb shell
    su

    If you do not get any errors and just the shell prompt then that should mean that you have su rights. Then I did the following:

    su -c 'cp /sdcard/su /system/xbin/su'
    su -c 'cp /sdcard/Superuser.apk /system/app/Superuser.apk'
    su -c 'chmod 6755 /system/xbin/su'
    su -c 'chmod 644 /system/app/Superuser.apk' <----- I didn't do this but probably should
    su -c 'rm /system/bin/su' <----- I didn't do this but probably should - some with more knowledge please let me know why this should be done - thx!
    exit
    exit
    adb reboot

    Or you can do it in the Windows Command line (dos prompt):

    adb shell "su -c 'cp /sdcard/su /system/xbin/su'"
    adb shell "su -c 'cp /sdcard/Superuser.apk /system/app/Superuser.apk'"
    adb shell "su -c 'chmod 6755 /system/xbin/su'"
    adb shell "su -c 'chmod 644 /system/app/Superuser.apk'"
    adb shell "su -c 'rm /system/bin/su'"
    adb reboot


    After rebooting I ran my voodoo OTA and it asked for superuser rights and in voodoo it says that I have root and root privileges.

    Hope this helps!!!

    EDIT: Forgot to add that I copied the files su and Superuser.apk using ES Explorer to the root of my internal sdcard. Oh, and "Thanks" Matt!!!
    Last edited by Just4sc; 01-04-2013 at 04:55 PM. Reason: add more information
  6. Developer
    spc_hicks09's Avatar
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    #56
    If you guys are having issue restoring root, you should use this tool made by Mattlgroff:

    Windows: http://batakang.com/ftp/DROID_RAZR/RestoreRoot.zip
    Linux: http://batakang.com/ftp/DROID_RAZR/RestoreRootLinux.zip
    Mac: http://batakang.com/ftp/DROID_RAZR/RestoreRootMac.zip
  7. Junior Droid
    Just4sc's Avatar
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    #57
    Quote Originally Posted by spc_hicks09 View Post
    If you guys are having issue restoring root, you should use this tool made by Mattlgroff:

    Windows: http://batakang.com/ftp/DROID_RAZR/RestoreRoot.zip
    Linux: http://batakang.com/ftp/DROID_RAZR/RestoreRootLinux.zip
    Mac: http://batakang.com/ftp/DROID_RAZR/RestoreRootMac.zip
    If you read through some of the posts you'll find that we did but it didn't work. However, using pieces of his scripts does fix the issue so that's why we've stripped out only the commands that worked for us - along with slight modifications when needed.
  8. Developer
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    #58
    Quote Originally Posted by Just4sc View Post
    If you read through some of the posts you'll find that we did but it didn't work. However, using pieces of his scripts does fix the issue so that's why we've stripped out only the commands that worked for us - along with slight modifications when needed.
    Ah gotchya, didn't read all that.
    Just4sc likes this.
  9. Junior Droid
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    #59
    Quote Originally Posted by Just4sc View Post
    I got root by using the files you listed but running a slightly different set of commands. I initially thought that I did not have the su-backup file but while poking around I found it in the system folder (this is the most important piece!). I looked at Matt's script and stripped out the things that worked for me. I had thought earlier that even if you had a copy of the su-backup you still needed root to get it to work. I was wrong. Looking at the permission settings of su-backup in the system folder I noticed that the backup file has the same rights as the su file. So here are the commands that I used from Matt's script (some may not be needed but...) (fyi - I'm on Windows 7 Ultimate and ran Windows command prompt with administrator privileges:

    adb kill-server > nul
    adb start-server > nul
    ping 1.1.1.1 -n 1 -w 500 > nul
    adb wait-for-device devices > nul
    adb shell "/system/su-backup -c 'mount -o rw,remount -t ext4 /dev/block/system /system'"
    adb shell "/system/su-backup -c 'cp /su-backup /system/bin/su'"
    adb shell "/system/su-backup -c 'chmod 6755 /system/bin/su'"

    I then tested to see if I have su rights by going into adb shell and running "su":

    adb shell
    su

    If you do not get any errors and just the shell prompt then that should mean that you have su rights. Then I did the following (within the adb shell):

    su -c 'cp /sdcard/su /system/xbin/su'
    su -c 'cp /sdcard/Superuser.apk /system/app/Superuser.apk'
    su -c 'chmod 6755 /system/xbin/su'
    su -c 'chmod 644 /system/app/Superuser.apk' <----- I didn't do this but probably should
    su -c 'rm /system/bin/su' <----- I didn't do this but probably should - some with more knowledge please let me know why this should be done - thx!
    exit
    exit
    adb reboot

    but you can probably do the following in the Windows Commandline (dos prompt):

    adb shell "su -c 'cp /sdcard/su /system/xbin/su'"
    adb shell "su -c 'cp /sdcard/Superuser.apk /system/app/Superuser.apk'"
    adb shell "su -c 'chmod 6755 /system/xbin/su'"
    adb shell "su -c 'chmod 644 /system/app/Superuser.apk'"
    adb shell "su -c 'rm /system/bin/su'"
    adb reboot


    After rebooting I ran my voodoo OTA and it asked for superuser rights and in voodoo it says that I have root and root privileges.

    Hope this helps!!!

    EDIT: Forgot to add that I copied the files su and Superuser.apk using ES Explorer to the root of my internal sdcard. Oh, and "Thanks" Matt!!!
    the only thing I did was download the superuser.apk and su to desktop and move them to the folder adb is in.Then ran the commands
    adb shell
    su if you don't get the # sign here it will not work.
    exit
    exit
    adb push su /sdcard/
    adb push superuser.apk /sdcard/
    adb shell
    su
    cp /sdcard/su /system/bin/
    cp /sdcard/superuser.apk /system/app/
    then rebooted, ran voodoo and it asked for su permissions.then ran root check to make sure and all was good.
    I'm not sure if this will work for anyone else.That's just what I did,but all apps that need root permissions are working and android tether is working.
    Last edited by lilmc1428; 01-02-2013 at 05:27 PM.
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    djnolo's Avatar
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    #60
    Quote Originally Posted by spc_hicks09 View Post
    If you guys are having issue restoring root, you should use this tool made by Mattlgroff:

    Windows: http://batakang.com/ftp/DROID_RAZR/RestoreRoot.zip
    Linux: http://batakang.com/ftp/DROID_RAZR/RestoreRootLinux.zip
    Mac: http://batakang.com/ftp/DROID_RAZR/RestoreRootMac.zip
    Will the Windows version of RestoreRoot work even if I wiped my Root when I tried to Fastboot Restore 6.16.211 again in Droid RAZR Utility 1.82? I was 1/2 rooted after I flashed JB but now no Root at all!!
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