There is no 3 lines icon on the bottom left screen on my Galaxy s10e

[usergbobLpTS9J]

How do I see what apps are open?  There is no 3 lines, square button, or back arrow showing on the home page.

[This-is-me]

Sounds like your navigation is hidden.

fone settings........... display.........scroll down to navigation bar.......... select buttons

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