Hard Reset SONY ERICSSON Xperia Arc X12 SO-01C LT15i

First method:

  1. First of all, hold down the Power key to switch on the device.Hard Reset SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  2. Then go to Settings and then to Backup & Reset (or Privacy).
  3. In this step tap Factory data reset and Reset Phone
  4. Next, choose Erase Everything if you are sure you want to clear all your data. 
  5. Finally, select OK to confirm the whole operation.
  6. Well done! The hard reset has just been performed.

Second method:

  1. At the very beginning you should download the PC Companion, in example from here: http://www.sonymobile.com/gb/tools/pc-companion/
  2. Then, you should install and run it.
  3. Next you will see window with 4 options.
    Master Reset SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  4. Choose option "Support Zone New!", and click "Start".
    Wipe data SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  5. Wait for the program to install the appropriate add-on.
  6. After that you will see next window with 3 options.
    Format SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  7. Go to option "Phone / Tablet Software Update", and click "Start".
  8. Select "repair my phone / tablet".
    HardReset SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  9. Now follow the instructions and accept all informations. 
    Restore SONY ERICSSON Xperia Arc X12 SO-01C LT15i
    Remove screen password SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  10. Please be patient and wait until preparing computer for software update is complete.
    Remove Screen Lock SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  11. Afterwards choose your phone / tablet model.
    Permanently delete data from SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  12. If you see this window, then connect your device into your PC.
    Hard Reset SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  13. Good job! The hard reset is done.

Third method:

  1. In the first step 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. Afterwards turn your device off.
    Hard Reset SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  4. Then press and hold Volume Down and connect to USB cable.
    HardReset SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  5. Follow the instructions on your screen, and accept appropriate options.
  6. Success! You have just performed the hard reset operation.

Fourth method:

  1. In order to switch on the device, hold down the Power key for a few seconds.Hard Reset SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  2. In the next step open the phone's dialer and type in: *#*#7378423#*#*.Remove screen password SONY ERICSSON Xperia Arc X12 SO-01C LT15i
  3. From the menu which should appear on the screen choose option Customization Settings and then Reset customization.
  4. Confirm information: "data will be cleared and factory data reset will perform".
  5. Accept by pressing Reset customization and reboot.
  6. Well done! Your phone is ready to use.

How to Master Reset Sony Ericsson Xperia arc

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

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