Tty use – Samsung SPH-M910CAAVMU User Manual
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While in Airplane Mode, your device’s Status area 
displays (
).
To deactivate Airplane Mode:
1.
Press and hold
to reveal the Phone
options.
2.
Tap
Flight mode (Airplane Mode is ON).
– or –
1.
Press
➔
and tap
➔
Wireless &
networks.
2.
Tap Airplane mode to remove the checkmark.
TTY Use
A TTY (also known as a TDD or Text Telephone) is a 
telecommunications device that allows people who 
are deaf, hard of hearing, or who have speech or 
language disabilities, to communicate by telephone.
Your device is compatible with select TTY devices. 
Please check with the manufacturer of your TTY 
device to ensure that it is compatible with digital cell 
phones. Your device and TTY device will connect via a 
special cable that plugs into your phone’s headset 
jack. If this cable was not provided with your TTY 
device, contact your TTY device manufacturer to 
purchase the connector cable.
To turn TTY Mode on or off:
1.
Press
➔
and tap
➔
Call
Settings
➔
TTY. (You will see an informational
message.)
2.
Read the onscreen disclaimer and tap Yes.
3.
Touch TTY Off to turn TTY mode off.
– or –
Touch any of the following to enable the
feature:
• TTY HCO, TTY VCO, or TTY Full.
For information concerning TTY access, please 
contact Virgin Mobile At Your Service at 1-888-322-
1122.
For additional technical support you may call 1-888-
987-4357.
Note: In TTY Mode, your device will display the TTY access icon.
If TTY mode is enabled, the audio quality of non-TTY 
devices connected to the headset jack may be impaired.
Warning!: 911 Emergency Calling
Virgin Mobile recommends that TTY users make 
emergency calls by other means, including 
Telecommunications Relay Services (TRS), analog 
cellular, and landline communications. Wireless TTY 
calls to 911 may be corrupted when received by 
public safety answering points (PSAPs), rendering 
some communications unintelligible. The problem 
encountered appears related to software used by 
PSAPs. This matter has been brought to the attention 
of the FCC, and the wireless industry and the PSAP 
community are currently working to resolve this.