The lock screen passcode will appear if you use the wrong passcode. This is a standard iPhone feature. After 6 attempts iPhone is disabled for 1 minute After 7 attempts iPhone is disabled for 5 minutes After 8 attempts iPhone is disabled for 15 minutes. After 9 attempts iPhone is disabled for 60 minutes After 10 attempts you will see a message saying “iPhone is disabled. Connect to iTunes” OR your iPhone is completely erased if Erase Data is turned on in Settings > Touch ID & Passcode (or Settings > Passcode for iPhones without Touch ID For more information, see How many passcode attempts are allowed to unlock iPhone.