Samsung Cricket Wireless Galaxy S8 User Manual page 105

Apps
Phone settings
These settings allow you to modify settings associated with the Phone app.
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From Phone, tap More options > Settings.
TTY mode
A teletypewriter (TTY) is a telecommunications device that allows people who are
deaf, hard of hearing, or who have speech or language disabilities to communicate by
telephone.
1. From Phone, tap
2. Tap Other call settings > TTY mode.
3. Tap TTY Off, TTY Full, TTY HCO, or TTY VCO.
More options > Settings.
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