What do the different symbols in the snapshots next to the battery indicator mean?

[Bozley0621]

On my phone right now, I have a little phone reciever with dots under it. I can't upload a snapshot. I'm at work.

 

[Que]

your phone has measles

 

[astrobanana]

its a radioactive, beware of Chernobyl esque consequences

 

[skubish]

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TTY