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Samsung Galaxy S10 5G
Manage TTY Settings

Teletypewriter (TTY) settings allow text communication on your Galaxy S10 5G during calls, which is helpful for hearing or speech challenges.

Steps

Open the

Phone app

Tap the

3-dot Menu

then tap

Settings

Tap

Real Time Text

Tap

RTT call button

Tap the

Back arrow

Tap

Use external TTY Keyboard

to turn on.

Tap

TTY mode

Select one of the following:

TTY Full
: Enables all TTY settings

TTY HCO
: Enables HCO (Hearing Carry Over)

TTY VCO
: Enables VCO (Voice Carry Over)