How To Update Sony Xperia Z To Android 4.4.2 Kitkat

Find out How To Update Sony Xperia Z C6602 and C6603 To Android 4.4.2 Kitkat 10.5.A.0.230 Firmware with Flash tool easy method and instructions. After a long wait Sony rolled out Android 4.4.2 update for its one of the best smartphone of last year. The new update is packed with lots of performance enhancements and bug fixes. Some new features added in Camera and Video section. This update is not rolled out worldwide, its available on some selected regions till now. You didn’t get any update notification with OTA and that’s why you are here. But if it is available in your region then we’ll recommend you to update with OTA or Sony PC Companion. 


Before You Begin:

  • This method is for Sony Xperia Z C6602 and C6603 only.
  • You device must be charged at least 50%.
  • Install & Setup Flashtool in your PC. Click Here for our installation and setup  guide (Read and follow full guide).
  • Enable USB Debugging in your Xperia Z. Click Here for our guide on enabling USB Debugging.
  • Please backup all your important data first.

Download Required Files:

  • Download & Setup Flashtool from Here
  • Download Android 4.4.2 Stock Firmware For Xperia Z : C6602 and C6603

How To Update Sony Xperia Z C6602 and C6603:

  • Please follow all steps given above first.
  • Download and Place Stock Firmware files in C:/Flashtool>Firmwares folder (Read Our Installation & Setup guide first).
  • Now open flashtool.exe file in your PC.
  • In Flashtool click on the lightning button on the top left and select Flashmode.


  • Now select the .ftf Firmware file and the options given in the image below and click on OK or Flash button (Depend on version of Flashtool).Flashtool 1
  • Now flashtool will load ftf file and you will see a log.
  • After loading of ftf firmware file a popup will appear prompting you to connect your device to the PC in Flashmode.LfLNW
  • Now, turn off your device, and connect to your PC using the original data cable while keeping the Volume down key pressed. You should see the Green LED on your device. This is for flashmode, As soon as the phone is detected in Flashmode, the firmware will start flashing, Do not leave the Volume Down key until the process is complete.
  • Flashing can take few minutes and you will see flashing done message in last of logs.
  • Now Disconnect your device and restart it.

That’s it, Your Sony Xperia Z is successfully updated to Android 4.4.2 Kitkat.

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