How do i add a downloaded app to the lock screen?

[Android Central Question]

An update removed a downloaded app that I kept on the lock screen and will not allow me to add it back. Is there a way to correct this?

 

[Laura Knotek]

Which phone do you have? What version version of Android is it running?
https://forums.androidcentral.com/showthread.php?t=409154&p=3754645&viewfull=1#post3754645

 

[mustang7757]

Which app?