What is a Soft Reset and what the Soft Reset does?
The Soft Reset is the easiest reset to perform on a mobile phone. To Soft Reset a phone is to simply power cycle the device, to power it off and then to power it back on.
The soft reset can actually solve many simple problems on mobile phones, especially when the phone has been on for a long period of time and has not been power cycled for a while.
1. For a start, unlock your screen and hold down power button.
2. After few seconds you should be seeing this menu on your screen.
3. You have to select Reboot or Restart option from this menu and that's it.
4. Now your phone will restart and should work faster after that.