The keyboard is stuck on my lock screen give useful help

[Melody]

So I was on tumblr and I had to go take a shower. When I came back the keyboard was stuck on the lock screen and I don't know what to do. Some people say to press an arrow but what arrow? This is on my LG g4 and it can't even shut down.

 

[belodion]

Welcome.

Did you forget to turn off the phone or did you intentionally leave it on?

Long-press Power to power down the phone.
If no go, remove the battery for 10min.
If still no go, get back to us.

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