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Step by Step - For Z Ultra - Update to .757 and Root - Everything Needed

OP zxc1251

1st June 2014, 11:53 PM   |  #1  
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Updated - 6/2/14 - To reflect suggestions by - @blueether - @maxld - @polargirl - Thank you all.

This might help someone Noob like me.

This is primarily written for my C6806 however steps are similar for other z ultra devices.

Everything here is copied from other threads on this forums and Google search. I have tried to provide links to threads as much as I can.

For anyone following these steps
  1. Please do more research on each steps.
  2. This steps should give you clear idea as to what is involved in this procedure
  3. You must follow steps from top to bottom for this to work.

Check Bootloader Status
  1. Dial *#*#7378423#*#* or download this app from playstore to directly go to Service Info
  2. Go To Service Info > Configuration > Rooting Status
  3. If you see Bootloader Unlocked: Yes, that means your phone is bootloader unlocked
  4. if you see Bootloader unlock allowed: Yes continue with steps.
  5. if you see No above do not continue any further, STOP
Disable Signed Driver Enforcement on Windows 7, 8, 8.1 (This is a must step)
  1. Reboot your computer while pressing F8
  2. Select "Disable Driver Signature Enforcement" and press Enter
Install FlashTools and FlashTools Drivers
  1. Download FlashTools from following link (You must use latest version)
    1. http://www.flashtool.net/download.php
  2. Install FlashTools
  3. Go to Flashtool\drivers install Directory
  4. Double Click Flashtool-drivers.exe
  5. Select Flashmode, Flashboot, z ultra (all), xperia A and click Install
Flash 14.1.B.1.532 ftf file to phone (For locked or unlocked phones - Thanks @blueether)
  1. Start Phone Normally
  2. Go to Settings
  3. Click ten times on Build Number to enable developer options
  4. Go to Settings -> Developer options and enable USB Debugging
  5. Go to Settings -> Security and enable install from unknown sources
  6. Turn off phone
  7. Download C6833_14.1.B.1.532_NUT.ftf File from this thread http://forum.xda-developers.com/show....php?t=2593918
    or Download Directly from here http://forum.xda-developers.com/devd...ct/dl/?id=3442
  8. Extract zip file downloaded above
  9. Copy ftf to Flashtool\firmwares directory
  10. Open FlashTool
  11. Click Flash (lightning bolt icon)
  12. Select FlashMode and click ok
  13. Select the above file from left side and click flash
  14. When Asked by FlashTool, keep holding vol down key connect phone to computer with usb cable
  15. Disconnect phone (After FlashTool finish installing firmware file)
  16. Restart phone
Root with Bin4ry method
  1. Download Root_with_Restore_by_Bin4ry_v33 file from this thread http://forum.xda-developers.com/show....php?t=1886460 or direct link http://uploaded.net/file/d2w6dl7r
  2. Follow this video for more detailed instructions https://www.youtube.com/watch?v=7EpkrCq1gfM#t=149 or continue with next step
  3. Start Phone and enable usb debugging and install from unknown sources options.
  4. Extract above Root_with_Restore_by_Bin4ry_v33.zip file to c:\ drive
  5. Double Click the RunMe.bat and follow instructions
  6. Select - Xperia phones with “older” firmware option when asked
Backup TA Partition
  1. User this video for more help https://www.youtube.com/watch?v=kva9-rAPG5s
  2. Download Latest Backup TA for Sony Xperia tool from this thread http://forum.xda-developers.com/show....php?t=2292598 or direct link https://github.com/DevShaft/Backup-TA/releases
  3. Extract downloaded file to c:\
  4. Start phone
  5. Run Backup-TA.bat
  6. Follow instructions on screen
  7. After backup store entire Backup-TA directory at safe location for some future use
Flash 14.3.A.0.757
  1. Download 14.3.A.0.757 file
    1. For C6806
    2. For other version of z Ultra
  2. Extract this zip file
  3. Copy C6806_14.3.A.0.757_1276-1569_R3C.ftf (for C6806) to Flashtool\firmwares directory
  4. follow steps similar to “Flash 14.1.B.1.532 ftf file to phone”
Unlock Bootloader (Please read more before doing thess steps, I might have missed many things here)
  1. Reference Post you would like to read, http://forum.xda-developers.com/show....php?t=2447319
  2. Write down IMEI code for your device
    1. dial *#06#
    2. Write displayed IMEI and save it at safe place
  3. FlashTool method to unlock bootloader
    1. Start FlashTool
    2. Click on BLU button
    3. Connect phone in flashmode as per the instructions on screen
    4. Once Connected click unlock
    5. When prompted disconnect the device
ROOT 14.3.A.0.757
  1. Instructions from Thread http://forum.xda-developers.com/show....php?t=2714511
  2. This works for all c68xx devices with 14.3.A.0.757 firmware
  3. Download kernal from this link
  4. https://mega.co.nz/#!Vh8xEZYR!HwGosI...VlhUObM0NdNrPg
  5. Download SuperSu from this link
  6. https://mega.co.nz/#!t18y2SRb!WwXemi...3NQE-uU7yEBk2Y
  7. Help video https://www.youtube.com/watch?v=uFSeSe8gQOY
  8. Start Phone Normally
  9. Copy Above SuperSu.zip to internal or external SD Card
  10. Go to Settings
  11. Click ten times on Build Number to enable developer options
  12. Go to Settings -> Developer options and enable USB Debugging
  13. Go to Settings -> Security and enable install from unknown sources
  14. Turn off phone
  15. Disconnect USB cable
  16. Press and hold vol up button and connect USB cable to phone and PC, wait until led light turns blue
  17. Start FlashTool
  18. Click Flash (Lightning bolt)
  19. Select Fastboot mode and click ok
  20. Click Select kernel to Flash
  21. On File chooser window change *.sin to *.img
  22. Select above 757.img file and click ok
  23. on FlashTool window if it says sending boot ok do not worry about any other errors
  24. Disconnect USB cable
  25. Go to Recovery
  26. Press power button to start phone
  27. As soon as you see sony logo press and hold vol down button
  28. This will boot you into recovery
  29. Click Install on Recovery screen
  30. Select SuperSu.zip file uploaded earlier (from internal or external sd card)
  31. Swipe to confirm
  32. Click Reboot System
  33. That is it finally you have your xperia z upgraded and rooted.
Last edited by zxc1251; 3rd June 2014 at 12:37 AM. Reason: Edited to reflect suggestions by @blueether
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2nd June 2014, 12:56 AM   |  #2  
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Corrections:
  • Move the unlock section to after the flash 757 section
  • .532 is the onlt firmware that has a root exploit, use the one that is linked in my downgrade thread, will work on all versions of the ZU locked and unlocked
  • Root with binaries tool - use option 0 or use [NUT]'s tool (see
my downgrade thread again)

That's it for now, will have a close read soon...
Last edited by blueether; 2nd June 2014 at 12:59 AM.
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2nd June 2014, 02:06 AM   |  #3  
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Thanks - @blueether -

Updated thread.
2nd June 2014, 03:19 AM   |  #4  
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You can probably remove the section about the camera as that was a Z1 issue, not affecting the ZU
2nd June 2014, 05:30 AM   |  #5  
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I am glad to at least see you guys trying to put everything into one thread.

This is still a huge amount of instructions for a newbie and any reduction would be great but at least having what you currently have put into one thread is still a major improvement.

Good going guys and thank you very much!
2nd June 2014, 10:55 AM   |  #6  
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Quote:
Originally Posted by zxc1251

Disable Signed Driver Enforcement on Windows 7, 8, 8.1 (This is a must step)

  1. Hold down the Windows key on your keyboard and press the letter C
  2. Click the gear icon (Settings)
  3. Click More PC Settings
  4. For Win 7 and 8
    1. Click General
    2. Under Advanced Startup, click Restart Now
  5. For Win 8.1
    1. Click Update & Revocery
    2. Click Recovery
    3. Under Advanced Startup, click Restart Now
  6. After restart, click Troubleshoot
  7. Click Advanced Options
  8. Click Windows Startup Settings
  9. Click Restart.
  10. After restart, click F7 (to disable driver signature enforcement)

Would just shortening this to "Reboot while pressing F8 and selecting Disable Driver Signature Enforcement" work?
Last edited by polargirl; 2nd June 2014 at 05:50 PM. Reason: Punctuation Correction
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2nd June 2014, 11:08 AM   |  #7  
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Quote:
Originally Posted by polargirl

Would just shortening this to reboot while pressing F8 and selecting 'Disable Driver Signature Enforcement" work?

Yep, it should do the trick
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2nd June 2014, 01:47 PM   |  #8  
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Quote:
Originally Posted by maxld

Yep, it should do the trick

Great! We got one process shortened.

I am neither a programmer nor a hacker but I will try to contribute what I can for a "Rooting Xperia For Dummies" guide.

The next suggestion is actually lengthier but may make a scared newbie feel more safe since it comes from the Google Play Store.

Instead of dialing code into the phone,

Quote:
Originally Posted by zxc1251

Check Bootloader Status
Dial *#*#7378423#*#*

why not change that to download an app from the "safety" of the Google Play Store?

https://play.google.com/store/apps/d...riaservicemenu

It appears to be a good app that works better than always dialing code for someone who plans to access the service menu regularly anyway.
Last edited by polargirl; 2nd June 2014 at 01:59 PM. Reason: Another suggestion closely related.
4th June 2014, 10:25 PM   |  #9  
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Great guide!
Last edited by checkmateyou; 4th June 2014 at 11:29 PM.
6th June 2014, 04:41 PM   |  #10  
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Brilliant guide , thanks for the hard work.

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