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Discussion in 'iPhone Tips, Help and Troubleshooting' started by backinblack875, Nov 28, 2011.
my friend sent me this asking what it is...so what is it??
That's TTY. If you want to turn it off. Go to settings/phone/TTT off.
I went to google and typed "iPhone phone with" and it autocompleted dots icon. The first hit had the answer. TTY mode.