Go to Settings from the home screen of your iPhone.
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Scroll down and go to “Touch ID and Passcode”
Enter your passcode.
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You will find that “Today view” will be turned on turn this option off.
If you do not want to see lock screen notifications, then you can also turn them off from here. However, you can turn off notification for individual apps by going to Settings and settings for that app. But still if you want to turn off notifications for all applications then you can turn off “Notification view”
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Now lock your screen and check. Now you will not be able to see lock screen widgets. So now you can add widgets for your favorite applications and they will be visible to you only when screen is unlocked. Now do not worry about your lock screen Notifications and widgets and let someone play with the lock screen.