Hard Reset SONY SGP771 Xperia Z4 Tablet LTE

First method:

  1. If the tablet is off, use the Power button to turn it back on.Hard Reset SONY SGP771 Xperia Z4 Tablet LTE
  2. Afterwards go to Settings and then to Backup & Reset.Factory Reset SONY SGP771 Xperia Z4 Tablet LTE
  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. At the very beginning 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 SGP771 Xperia Z4 Tablet LTE
  4. Then press and hold Volume Down, and connect to USB cable.
    HardReset SONY SGP771 Xperia Z4 Tablet LTE
  5. Follow the instructions on your screen, and accept appropriate options.
  6. Success! You have just performed the hard reset operation

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 SGP771 Xperia Z4 Tablet LTE
  4. Choose option "Support Zone New!", and click "Start".
    Wipe data SONY SGP771 Xperia Z4 Tablet LTE
  5. Wait for the program to install the appropriate add-on.
  6. After that you will see next window with 3 options.
    Format SONY SGP771 Xperia Z4 Tablet LTE
  7. Go to option "Phone / Tablet Software Update", and click "Start".
  8. In the next step select "repair my phone / tablet".
    HardReset SONY SGP771 Xperia Z4 Tablet LTE
  9. Now follow the instructions and accept all informations. 
    Restore SONY SGP771 Xperia Z4 Tablet LTE
    Remove screen password SONY SGP771 Xperia Z4 Tablet LTE
  10. Please be patient and wait until preparing computer for software update is complete.
    Remove Screen Lock SONY SGP771 Xperia Z4 Tablet LTE
  11. Afterwards choose your phone / tablet model.
    Permanently delete data from SONY SGP771 Xperia Z4 Tablet LTE
  12. If you see this window, then connect your device into your PC.
    Hard Reset SONY SGP771 Xperia Z4 Tablet LTE
  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 SGP771 Xperia Z4 Tablet LTE
  2. In the next step open the phone's dialer and type in: *#*#7378423#*#*.Remove screen password SONY SGP771 Xperia Z4 Tablet LTE
  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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