Hard Reset SONY Xperia Z4 Tablet WiFi

First method:

  1. Start by switching off the device by holding down the Power button. Hard Reset SONY Xperia Z4 Tablet WiFi
  2. Afterwards go to Settings and then to Backup & Reset.Factory Reset SONY Xperia Z4 Tablet WiFi
  3. Then selec Factory Data Reset and tap Reset Tablet
  4. Choose Erase Everything if you are sure you want to clear all your data. 
  5. In the next step select OK to confirm the whole operation.
  6. Congratulations! The hard reset has just been performed.

Second method:

  1. First you should download flashtool from Sony website: http://developer.sonymobile.com/services/flash-tool/
  2. Make sure, that you have installed drivers for your USB data cable.
  3. Now turn your device off.
    Hard Reset SONY Xperia Z4 Tablet WiFi
  4. Then press and hold Volume Down, and connect to USB cable.
    HardReset SONY Xperia Z4 Tablet WiFi
  5. Follow the instructions on your screen, and accept appropriate options.
  6. Success!

Third method:

  1. First you should download PC Companion, in example from here: http://www.sonymobile.com/gb/tools/pc-companion/
  2. Install it and run.
  3. Next you will see window with 4 options.
    Master Reset SONY Xperia Z4 Tablet WiFi
  4. Choose option "Support Zone New!", and click "Start".
    Wipe data SONY Xperia Z4 Tablet WiFi
  5. Wait for the program to install the appropriate add-on.
  6. After that you will see next window with 3 options.
    Format SONY Xperia Z4 Tablet WiFi
  7. Go to option "Phone / Tablet Software Update", and click "Start".
  8. Select "repair my phone / tablet".
    HardReset SONY Xperia Z4 Tablet WiFi
  9. Now follow the instructions and accept all informations. 
    Restore SONY Xperia Z4 Tablet WiFi
    Remove screen password SONY Xperia Z4 Tablet WiFi
  10. Please be patient and wait until preparing computer for software update is complete.
    Remove Screen Lock SONY Xperia Z4 Tablet WiFi
  11. Afterwards choose your phone / tablet model.
    Permanently delete data from SONY Xperia Z4 Tablet WiFi
  12. If you see this window, then connect your device into your PC.
    Hard Reset SONY Xperia Z4 Tablet WiFi
  13. Great job! Your device is ready to use.

Fourth method:

  1. If the display is off, press the Power key to turn it back on.Hard Reset SONY Xperia Z4 Tablet WiFi
  2. In the next step open the phone's dialer and type in: *#*#7378423#*#*.Remove screen password SONY Xperia Z4 Tablet WiFi
  3. From the menu which should appear on the screen choose option Customization Settings and then Reset customization.
  4. Read and confirm the following information: "data will be cleared and factory data reset will perform".
  5. Accept by choosing option Reset customization and reboot.
  6. Well done! You have just performed the hard reset operation

How To Hard Reset SONY Xperia Z

WARNING !
Hard Reset will erase all of your data
All described operations you are doing at your own risk.

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