You may have heard that the best security is something that lays in plain sight. In some instances, this can be right, because people tend to over-think things.
A jailbreak tweak called Callisto is now available in Cydia’s BigBoss repository for $1.49 that lets you use the current time for a passcode instead of something you set for yourself.
"Callisto lets you use the current time as a passcode on your iOS 9 device" is an article by iDownloadBlog.com.
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