Lock screen changed (opens in new tab)

my phone: OnePlus 12 CPH2583, running CPH2573\_16\.0\.0\.201 \(EXo1\) - rooted The other day, I turned on Screen Lock \(because an app at which I was looking requires one\)\. I decided not to use the app, so I turned off the Lock Screen\. However, the lock screen has changed - it now shows a clock and \(annoyingly\) it does some weird stuff when there is a SMS or a few other things\. Question: How can I reset my Lock Screen? I have looked through the various settings, but have seen nothing th...