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Sunday, 14 April 2013

Root Sony Xperia J JellyBean 11.2.A.0.21 + Unlocked Bootloader

Posted by at 11:19

How to Root Xperia J JellyBean 11.2.A.0.21





We have already Seen how to root Xperia J other versions-Root Xperia J .28/18

Now lets Root The Xperia J 11.2.A.0.21 JellyBean version


Warning:

Rooting can Void Warranty. Follow these steps exactly and carefully.

Requirements:

1. Unlocked bootloader (You can do it from sony website)
2. Flashtool (download Xperia flash tool)
3. An USB cable
4. Enabled USB Debugging and Tick Non-market app installation
5. All drivers installed
  

Let's Root:


1. Connect Your Xperia J To Your PC
2. Download This Root File- Root_xperi_signed.zip
3. Copy "root_xperia_signed.zip" file to sd card (ext...)
4. Disconect Your Xperia J and switch it off
5. Launch Xperia flashtool
6. Hold volume + button and connect phone with usb cable to pc, you'll saw blue led light (Now You have entered to Fastboot mode)
7. Download this: Boot.img
8. Copy "boot.img" file to flashtool/firmwares
9. Click on lightening icon in flashtool and click fastboot mode 












10. Click "Select kernel to Flash" on right side in flashtool  


11. Browse and choose "boot.img" , flashtool will automaticly flash this file
12. Turn off phone after flashing
13. Turn on phone,when you'll see blue light at bottom phone not the small blue led up, start pressing all volume buttons + and - .
14. If you succed,you'll enter to CWM recovery,click "install zip from ext card" and find "root_xperia_signed.zip" file and flash it.
15. After flashing,click reboot system,but don't wait for reboot,just take battery out for few second and put it back
16. Now download: kernal.sin and copy "kernel.sin" file to flashtool/firmwares
17. Follow step 9 and 10.
18. Disconnect phone and Switch It On.

You Have Successfully Rooted Xperia J 11.2.A.0.21!!


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38 comments:

  1. wan4 May 2013 at 07:11

    can you make a tutorial how to unlock bootloader?

    ReplyDelete
  2. Luis Silva4 May 2013 at 15:31

    http://unlockbootloader.sonymobile.com/instructions
    Go to the website of Sony and there you have the instructions

    ReplyDelete
  3. Unknown5 May 2013 at 12:32

    flash tool says ''your device must be rooted first!!

    ReplyDelete
  4. DGbaero5 May 2013 at 15:58

    Dear Arvaidas Zvinys,

    try those steps again and comment if issue persist.

    ReplyDelete
  5. ashok kumar5 May 2013 at 20:13

    how to install cwm on my j(11.2.a.0.21 fw)

    ReplyDelete
  6. Ashok Kumar5 May 2013 at 20:14

    how to install cwm on my rooted xperia j(11.2.a.0.21 fw)

    ReplyDelete
  7. syam936 May 2013 at 07:20

    once you successfully flashed the boot.img using flash tool, you can enter CWM recovery mode.

    Check steps 9 to 14

    ReplyDelete
  8. El Jaime Vicente7 May 2013 at 11:10

    This tutorial really works! Thank you for this.

    ReplyDelete
  9. Vishnu Nandan7 May 2013 at 18:40

    Thank you for trying. Keep visiting for updates.

    ReplyDelete
  10. Unknown11 May 2013 at 01:05

    How can I get flashtool

    ReplyDelete
  11. Unknown11 May 2013 at 01:07

    Please help me for that., and tell me if its realy work.tnx n advance.

    ReplyDelete
  12. Vishnu Nandan11 May 2013 at 06:46

    @ mark,

    here is the download link for xperia j flash tooj.

    http://androxyde.github.io/

    and this method works fine but you have to complete each steps with utter precision and care. Also note that you should have the same firmware listed on title. For other firmwares there is another post.

    ReplyDelete
  13. Unknown15 May 2013 at 01:42

    My Bootloader unlock allowed said NO, can I still root my phone then plz??

    ReplyDelete
    Replies
    1. Vishnu Nandan15 May 2013 at 07:50

      This method works only if bootloader is unlocked.

      Let me check about alternatives.

      Delete
    2. syam15 May 2013 at 19:26

      Yep it must be unlocked to try. Strange, i unlocked mine. It didnt show me any error

      Delete
  14. Anonymous16 May 2013 at 01:24

    If i root my xperia j.. Can i save game in ext_card?..

    ReplyDelete
    Replies
    1. Vishnu16 May 2013 at 06:50

      After succesfully rooting you can move any apps to sd card. Delete pre installed app by company. You became super user., you control your device.

      Delete
  15. Anonymous16 May 2013 at 16:53

    How to unlock bootloader?..i get a unlock code..but how to use?..using something app or what?..sory for bad english...

    ReplyDelete
    Replies
    1. Vishnu17 May 2013 at 19:35

      Its a lengthy proces but the sony site has detailed information. Check their bootloader section

      Delete
  16. Unknown22 May 2013 at 15:30

    All worked well..... But how to get rid off these default apps.... not able to config them with the super user

    ReplyDelete
  17. Unknown22 May 2013 at 20:56

    You can use Root App Delete from playtore or any other app uninstaller from playsore to remove system apps.

    ReplyDelete
  18. Anonymous24 May 2013 at 11:59

    thanks a lot

    ReplyDelete
  19. Unknown29 May 2013 at 20:39

    what should i do? when i enter "fastboot.exe -i 0x0fce getvar version" it has error "fastboot.exe is not recognized as an internal or external command, operable program or batch file" can any one help me

    ReplyDelete
  20. johnarmano4 June 2013 at 09:00

    jsut like the same. "your device must be rooted first"

    ReplyDelete
  21. johnarmano4 June 2013 at 09:04

    my device sony xperia j (t26i) isn't listed in the flashtool,where I can find the flashtool for my device? and the driver for my device? thanks

    ReplyDelete
  22. johnarmano4 June 2013 at 09:13

    jsut like the same. "your device must be rooted first"

    ReplyDelete
  23. Hg6 June 2013 at 17:50

    my emma is not recognizing my
    p[hone

    ReplyDelete
  24. Inn3rFir311 June 2013 at 20:28

    where can find original krenel for 0.21 ? (xperia j)

    ReplyDelete
  25. Anonymous14 June 2013 at 18:04

    Tried it just now, worked like a charm. Excellent guide.

    I should mention, it's VERY important to make sure you have version 11.2.A.0.21.

    If you do, this guide is awesome.

    ReplyDelete
  26. Anonymous22 June 2013 at 12:24

    Hi, thank you by the way, I followed everything in this tutorial and I rooted my phone successfully.

    I have one problem though. I installed an app named Chainfire3D for my graphics needs. But after rebooting the phone, I stuck up in the SONY logo part, and it did not go any further. Now, I have read from some forum that I just have to execute some command using ADB shell. But in order for me to do that, I should have my phone in CWM mode.

    My problem is, I went back to this tutorial, tried your "entering CWM method", i.e. turn-on phone and wait for blue light at the bottom and press volume + and - simultaneously. Now I am wondering why I cant see the blue light at the bottom anymore, it goes directly to the SONY logo, thus I cant enter CWM. :(

    Please help. Thanks.

    ReplyDelete
  27. Rahul15 August 2013 at 09:55

    I have rooted my phone successfully as it shows supersu in menu and root access allowed in flashtool but I cannot enter CWM recovery as I did while installing root_xperia.zip. Any solutions?

    ReplyDelete
  28. Unknown23 August 2013 at 11:24

    Watch the Sony Xperia J Vs Samsung Galaxy S Duos comparison & review videos.

    ReplyDelete
  29. YakuZa17 September 2013 at 21:28

    thanx alot dude.. ive done it with your help

    ReplyDelete
  30. Mesmero33430 December 2013 at 02:42

    Hello ! If you dont know how to root Sony Xperia J or you want quick root it ,you should check Xperia J One-Click root
    It's root tool for Xperia J only ,custom made somewhere ,available premium public , check on :

    http://xperia-j-root.blogspot.com/

    ** remember ,you are rooting xperia j on your risk **

    ReplyDelete
  31. Unknown27 January 2014 at 18:13

    i completed the step 16 but again when i go for step 9,10 flash tool says this action can only be done in fastboot mode. but my phone is not going in fastboot mode. plz tell me what to do now.

    ReplyDelete
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