My swipe and none option is not available in my phone

[AC Question]

MY TCL phone which is android 6.0.1 none and swipe option is not available actually when i put my VPN pin i put pattern and locked the screen i put the same password which I had put for VPN it got unlocked when I went in setting to change it to swipe the swipe and none option were not available I tried everything I even cleared the cresintials i tried everything but swipe and none option is not coming