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2D. Phone 99
3. Under Network, set any of the following:
Voice Network: Tap Sprint Only to allow phone calls
only when you are on the Sprint network, or tap
Automatic to allow roaming on other networks.
Data Roaming: Set whether to allow Web browsing,
email, multimedia messaging, and instant
messaging when you are roaming. This option
appears only if you have set
Voice Network to
Data Usage: Set whether to turn data services—Web
browsing, email, multimedia messaging, and
instant messaging—on or off.
A TTY (also known as TDD or text telephone) is a
telecommunications device that allows people who are
deaf or hard of hearing, or who have speech or
language disabilities, to communicate by telephone.
Your phone is compatible with select TTY devices.
You can connect a TTY/TDD machine to your phone
using the headset jack. Check with the manufacturer of
your TTY device for connectivity information. Be sure
that the TTY device supports digital wireless
1. Connect a TTY/TDD device to your phone using
the headset jack.
2. Open Phone .
3. Open the application menu and tap Preferences.
4. In TTY/TDD, tap Off to switch TTY/TDD from Off to
To use your phone with a hearing aid, turn on the HAC
feature. This feature ensures that your phone can make
the necessary connection with a hearing aid.
1. Open Phone .
2. Open the application menu and tap Preferences.
3. In HAC, tap Off to switch HAC from Off to On.
Note: When TTY is enabled, you cannot use the headset jack
for anything else, and all audio modes are disabled on
your phone, including holding the phone up to your
ear and listening.