A
My zte max blue does the same thing. I also don't have the option in my phone to change the lockscreen settings either
Welcome to Android Central! Just to be certain -- this is happening when the phone is on the homescreen, and not just on the lockscreen, correct?
EDIT: From your response in the other thread, I'm guessing that this does happen for you on the homescreen and not the lockscreen, but would still be good to confirm that.
Blu has not had a great track record with updates lately (like the infamous update to the Blu Life One X2 that locked users out of their own phones by asking for a nonexistent PIN), so it wouldn't be surprising if a bug in their update is causing this issue. Definitely give feedback to Blu about this.
FURTHER EDIT: Sorry, I only just realized that you're talking about a ZTE phone, not a Blu phone. The "Max Blue" name threw me off. Derp.So see if you can give feedback to ZTE instead.