Airplane mode, Tty use with sprint pcs service – Samsung A420 User Manual
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Section 2B: Controlling Your Phone’s Settings
Airplane Mode
Airplane Mode allows you to use many of your phone’s 
features, such as Memo Pad and Voice Memos when you are 
in an airplane or in any other area where making or receiving 
calls or data is prohibited. When your phone is in Airplane 
Mode, it cannot send or receive any calls or access online 
information.
To set your phone to Airplane Mode:
1.
Select Menu > Settings > Others > Airplane Mode.
2.
Read the disclaimer and press
.
3.
Select On or Off and press
.
While in Airplane Mode, your phone’s standby screen will 
display “Phone off.”
TTY Use With Sprint PCS Service
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 phone is compatible with select TTY devices. Please 
check with the manufacturer of your TTY device to ensure 
that it supports digital wireless transmission. Your phone 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.
When establishing your Sprint PCS Service, please call Sprint 
Customer Service via the state Telecommunications Relay