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
Check Bootloader Status
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
- Please do more research on each steps.
- This steps should give you clear idea as to what is involved in this procedure
- You must follow steps from top to bottom for this to work.
Check Bootloader Status
- Dial *#*#7378423#*#* or download this app from playstore to directly go to Service Info
- Go To Service Info > Configuration > Rooting Status
- If you see Bootloader Unlocked: Yes, that means your phone is bootloader unlocked
- if you see Bootloader unlock allowed: Yes continue with steps.
- if you see No above do not continue any further, STOP
- Reboot your computer while pressing F8
- Select "Disable Driver Signature Enforcement" and press Enter
- Download FlashTools from following link (You must use latest version)
- Install FlashTools
- Go to Flashtool\drivers install Directory
- Double Click Flashtool-drivers.exe
- Select Flashmode, Flashboot, z ultra (all), xperia A and click Install
- Start Phone Normally
- Go to Settings
- Click ten times on Build Number to enable developer options
- Go to Settings -> Developer options and enable USB Debugging
- Go to Settings -> Security and enable install from unknown sources
- Turn off phone
- Download C6833_14.1.B.1.532_NUT.ftf File from this thread http://xdaforums.com/showthread.php?t=2593918
or Download Directly from here http://xdaforums.com/devdb/project/dl/?id=3442 - Extract zip file downloaded above
- Copy ftf to Flashtool\firmwares directory
- Open FlashTool
- Click Flash (lightning bolt icon)
- Select FlashMode and click ok
- Select the above file from left side and click flash
- When Asked by FlashTool, keep holding vol down key connect phone to computer with usb cable
- Disconnect phone (After FlashTool finish installing firmware file)
- Restart phone
- Download Root_with_Restore_by_Bin4ry_v33 file from this thread http://xdaforums.com/showthread.php?t=1886460 or direct link http://uploaded.net/file/d2w6dl7r
- Follow this video for more detailed instructions https://www.youtube.com/watch?v=7EpkrCq1gfM#t=149 or continue with next step
- Start Phone and enable usb debugging and install from unknown sources options.
- Extract above Root_with_Restore_by_Bin4ry_v33.zip file to c:\ drive
- Double Click the RunMe.bat and follow instructions
- Select - Xperia phones with “older” firmware option when asked
- User this video for more help https://www.youtube.com/watch?v=kva9-rAPG5s
- Download Latest Backup TA for Sony Xperia tool from this thread http://xdaforums.com/showthread.php?t=2292598 or direct link https://github.com/DevShaft/Backup-TA/releases
- Extract downloaded file to c:\
- Start phone
- Run Backup-TA.bat
- Follow instructions on screen
- After backup store entire Backup-TA directory at safe location for some future use
- Download 14.3.A.0.757 file
- For C6806
- Download US Retail/Generic C6806 14.3.A.0.757 file from this link http://d-h.st/4vv
- For other version of z Ultra
- Go to this thread and download appropriate 14.3.A.0.757 ftf file http://xdaforums.com/showthread.php?t=2453921&highlight=757
- For C6806
- Extract this zip file
- Copy C6806_14.3.A.0.757_1276-1569_R3C.ftf (for C6806) to Flashtool\firmwares directory
- follow steps similar to “Flash 14.1.B.1.532 ftf file to phone”
- Reference Post you would like to read, http://xdaforums.com/showthread.php?t=2447319
- Write down IMEI code for your device
- dial *#06#
- Write displayed IMEI and save it at safe place
- FlashTool method to unlock bootloader
- Start FlashTool
- Click on BLU button
- Connect phone in flashmode as per the instructions on screen
- Once Connected click unlock
- When prompted disconnect the device
- Instructions from Thread http://xdaforums.com/showthread.php?t=2714511
- This works for all c68xx devices with 14.3.A.0.757 firmware
- Download kernal from this link
- https://mega.co.nz/#!Vh8xEZYR!HwGosIRT1wFVCwm80KjL6vbo0NSduVlhUObM0NdNrPg
- Download SuperSu from this link
- https://mega.co.nz/#!t18y2SRb!WwXemirwFBTqpxeNYrJJLC1jwH7R13NQE-uU7yEBk2Y
- Help video https://www.youtube.com/watch?v=uFSeSe8gQOY
- Start Phone Normally
- Copy Above SuperSu.zip to internal or external SD Card
- Go to Settings
- Click ten times on Build Number to enable developer options
- Go to Settings -> Developer options and enable USB Debugging
- Go to Settings -> Security and enable install from unknown sources
- Turn off phone
- Disconnect USB cable
- Press and hold vol up button and connect USB cable to phone and PC, wait until led light turns blue
- Start FlashTool
- Click Flash (Lightning bolt)
- Select Fastboot mode and click ok
- Click Select kernel to Flash
- On File chooser window change *.sin to *.img
- Select above 757.img file and click ok
- on FlashTool window if it says sending boot ok do not worry about any other errors
- Disconnect USB cable
- Go to Recovery
- Press power button to start phone
- As soon as you see sony logo press and hold vol down button
- This will boot you into recovery
- Click Install on Recovery screen
- Select SuperSu.zip file uploaded earlier (from internal or external sd card)
- Swipe to confirm
- Click Reboot System
- That is it finally you have your xperia z upgraded and rooted.
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