![background image](http://html.mh-extra.com/html/samsung/sgh-i858-series/sgh-i858-series_user-manual_1190810053.webp)
50
4
Call functions
Turning the phone functions on or off
You can turn the phone functions on and off separately from
the PDA functions. You can use the PDA applications on your
phone without turning the phone on at all.
Turning off the phone functions
Press and hold
.
When the phone is turned off:
• The signal strength indicator disappears.
appears on
the status bar.
• You cannot make and receive calls.
• You can use all of the PDA features.
• You cannot access the address list in your SIM card.
• You cannot send or receive calls or messages, or access the
Web.
Turning on the phone functions
1. Press and hold
.
2. Select the SIM card you want to activate and tap OK. The
phone receives signals from the corresponding network.
When the phone is turned on:
• The signal strength indicator (
) appears on the status
bar.
• You can make and receive calls.