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. The soft reset process starts from unlocking your screen and holding down power button.
2. Now wait untill your phone will show this menu and you can release the buttons.
3. Then tap on Reboot or Restart option as soon as this menu shows up.
4. This is it. Your device will restart now and should work faster and less laggy after that.