Samsung SM-C105AZWAATT - Manual (Page 143)

2. Tap TTY Full, TTY HCO, or TTY VCO. A green check mark
will appear. Tap TTY Off to turn it off.
Hearing aids
This option allows you to enable your phone’s support for
hearing aids, or disable it to save power.
My device My device
1. From the Home screen, tap ➔ Settings ➔
My device ➔ Call.
2. Tap Hearing aids to create a check mark and activate
the Hearing aids support feature.
Changing Your Settings 136