A Soft Reset (or Forced Restart) differs from a Hard Reset (or Factory Restore) in that it doesn’t delete any essential data from the smartphone or tablet but you may lose some RAM or temporary data, for example any unsaved game progress or the page you were viewing on a website.
A Hard Reset on the other hand would only be required when you want to wipe all data from the device, starting it over.
1. At the very beggining of this guide you will have to unlock your screen and hold down power button.
2. Now you should see this menu on your screen.
3. All you have to do now is to tap on Reboot and wait for your phone to restart, good job.