ROOTING XPERIA J WITH NEW FIRMWARE & LOCKED BOOTLOADER

If you have problem rooting your Xperia J with New Firmware… Then you should try this method which do not need to Unlocked Bootloader

If you just bought your phone and your firmware not yet upgraded or your phone already got firmware below 11.0.A.7.5, then you can skip to step 3..

REQUIREMENTS

1. Flashtool – download

2. Firmware for Xperia SL – 11.0.A.3.28 (Old) & 11.0.A.7.5 (New) (You need both files unless your 

    phone already rooted)

3. Root with Restore – Download V18 credit to Bin4ry Xda

4. Xperia Root – Download credit to Puppet13th Xda

5. Xperia J driver – Download credit to Kishenpj21 XDA

   

If your phone already rooted, you can skip to (Flashing New Firmware part)

INSTRUCTIONS

1.  Install Flashtool then extract Xperia J Driver (ST26.rar) and copy the ST26.ftd file to        

     c:\Flashtool\devices\

2.  Open Flashtool ,If you have already installed Sony PC Companion Flashtool will detect your device. Go  

     to devices>import and choose Xperia J, wait import to success

     Before that make sure that you have done the following

     Enable debugging mode on your phone (Setting>developer options) & enable unknown sources   

     (Setting>security)

3.  Connect your phone with usb,and select Xperia J

4.  Click Flash icon (looks like thunder) and choose flashmode

5.  Then browse the folder where you save the Oldfirmware (.ftf) file (Make sure you put Old and New 

     firmware in different files). Flashtool will automatically scan files inside the firmware.

6.  Click OK

7.  Flashtool will ask you to disconnect your phone

     Disconnect your phone and shut it down

     Push Volume Down (-) button (dont release it) and connect the usb cable again

     Until Flashtool say your phone connected in flashmode then you can release the button

     Let it finish and turn on your phone (it takes awhile to turn on)

8.  Enable debugging mode on your phone (Setting>developer options) & enable unknown sources     

     (Setting>security)

9.  Extract Root with Restore by Bin4ry you downloaded before, and make a folder called root in Drive C:  

     then copy all the stuffs extracted into the Root folder

10.Run Command Prompt as administrator (For Windows 7 search at start and right-click CMD run Administrator/ For Windows 8 push button windows key + X then select command prompt (Admin))

11.Type cd c:\root

12.Type \stuff\adb devices

     If your device connected properly, it should be there (If you installed android emulators such as   

     Bluestacks/You wave,it wont work,you will have to uninstall them)

13.Next type runme

14.Green message will come out, type 1 then enter

15.A message will come out in your phone,Just select Restore My Data option

16.The Green command prompt will assist you, if the message stuck on Running for so long, mean you fail to 

     root. (Fail happened because you skipped step 1 or your firmware is new)

After finish, your phone will reboot and there will be new application installed called Super SU

Congratzzz you just rooted your phone!!!!!!!!

Flashing New Firmware

1  If your phone already rooted, you can skip to this step.

2. Now connect your phone again, make sure debugging mode and unknown sources enabled.

3. Extract Xperia root folder you downloaded before, open it up and double-click 01-local-prop.bat (dont  

    run as administrator) follow the instruction given.

4. Open Flashtool, click Flash button, choose flashmode then browse the folder where you save New 

    Firmware (.ftf) file.

    Make sure that you Uncheck wipe data!!!!

5. Click OK

6. Follow step 7(given above)

7. You will realize that Super Su have gone

8. Now connect your phone again, open Xperia root file, double-click 02-push-root-files (dont run as 

    administrator) follow the instruction given.

Your phone will reboot and there will be new app called  Superuser

 Congratzz you have Rooted your phone with the New Firmware!!!!!