El código de restablecimiento de fábrica restablece su teléfono fácilmente.
Reset factory settings you need to know and follow this.
Most Important Things of Before hard Reset Mobile Phone
You will see that your will restart soon and reset it's default settings.
Think before you give this code. This code is used for factory format. It'll remove all files and settings including the internal memory storage.
It'll also reinstall the mobile phone.