Audiovox PM-8912 - Manual (Page 151)

Section 3B: Sprint PCS Vision 142
Can I disable Sprint PCS Vision data services?
You can disable Sprint PCS Vision without turning off your phone:
however, you will not be able to browse the Web or use other Sprint
PCS Vision services. While Vision is disabled, you can still place or
receive phone calls, check voicemail, and use other voice services.
You may enable Sprint PCS Vision again at any time.
To disable Sprint PCS Vision, go to Settings (
) > PCS Vision ( )
> Disable PCS Vision ( ) in your phone’s menu.
SPRINT_TX115C041021_A 2004.10.25 8:59 PM Page 142