First method:

  1. You should start by switching off the phone using the Power button.Hard Reset KARBONN TITANIUM WIND W4
  2. Then press and hold the Volume Down and Power button for a few seconds.
  3. Release held keys when the exclamtion mark appears on the screen.Master Reset KARBONN TITANIUM WIND W4
  4. In the next step press the following sequence of buttons: Volume Up - > Volume Down-> Power - > Volume Down.
  5. Congratulations! The hard rest has just been performed.

Second method:

  1. Your phone needs to be powered on.Hard Reset KARBONN TITANIUM WIND W4
  2. Go to the Main Menu, find and select Windows Phone Settings.Wipe data KARBONN TITANIUM WIND W4
  3. Tap About.Format KARBONN TITANIUM WIND W4
  4. When asked to confirm the whole operation tap Reset your phone.Restore KARBONN TITANIUM WIND W4
  5. Good job! The device is ready to use.

How to Restore Your MICROSOFT Lumia 650 to Factory Settings - Windows Phone

Hard Reset MICROSOFT Lumia 650 - How to Bypass Screen Lock Protection

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

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