First method:

  1. Check device it must be switched on. Hard Reset SONY ERICSSON T700
  2. Now go to Menu next on to Settings -> General -> Master reset.
  3. Confirm Master reset  by pressing left Softkey, and follow up on screen instructions. HardReset SONY ERICSSON T700
  4. Success! device is ready to work on.

Second 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.
    Factory Reset SONY ERICSSON T700
  4. Choose option "Support Zone New!", and click "Start".
    Master Reset SONY ERICSSON T700
  5. Wait for the program to install the appropriate add-on.
  6. After that you will see next window with 3 options.
    Wipe data SONY ERICSSON T700
  7. Goto option "Phone / Tablet Software Update", and click "Start".
  8. Select "repair my phone / tablet".
    Hard Reset SONY ERICSSON T700
  9. Now follow the instructions and accept all informations. 
    Format SONY ERICSSON T700
    Restore SONY ERICSSON T700
  10. Please be patient and wait until preparing computer for software update is complete.
    Remove screen password SONY ERICSSON T700
  11. Afterwards choose your phone / tablet model.
    Remove Screen Lock SONY ERICSSON T700
  12. If you see this window, then connect your device into your PC.
    Permanently delete data from SONY ERICSSON T700
  13. Done!

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

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