Update Sony XPERIA Z Ultra C6833 to Android Lollipop 5.1.1

October 27, 2015 | By androidhowto@youtube | Filed in: Firmware.

Upgrade or Install Sony XPERIA Z Ultra C6833 to Android Lollipop 5.1.1. The firmware 14.6.A.0.368 available for downloading https://drive.google.com/file/d/0B1AAC4lt7nzOZmRmeXgtbkhxREU/view?usp=sharing.  You can download your Sony XPERIA Z Ultra C6833 firmware 14.6.A.0.368 at the page.

How to Upgrade Sony XPERIA Z Ultra C6833 to Lollipop using Sony Xperia Flashtools:

  1. Download and Install Flashtools at https://docs.google.com/uc?id=0B_d8uWGbkaetZVJLRGRBYTFsdEU&export=download
  2. Install Flashtool Driver:  Open folder C:\Flashtool\Drivers 
  3. Download Sony XPERIA Z Ultra C6833 firmware 14.6.A.0.368 at https://drive.google.com/file/d/0B1AAC4lt7nzOZmRmeXgtbkhxREU/view?usp=sharing
  4. Copy the firmware to folder C:\Flastool\Firmware
  5. Run Flashtool.exe, if you use Windows 7 Run the file As Administrator and then Click Flash Logo
    Then select Flashmode and click OK
  6. Select the Firmware file and Check list Wipe Data, Wipe Cache, Wipe Apps log and No Final Verification on the wipe section and Click Flash.
  7. Wait a few seconds then you will see this screen
    Turn power off your sony xperia,  press and hold Volume Down key and plug usb cable to the computer.
  8. For flashing about 5 minutes, after finished unplug USB Cable from the computer and device.
  9. For the first time booting it needs more times than usually.

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