If No Service appears in the upper left, you are out of a wireless coverage area. If you believe you are in a wireless coverage area and this problem persists, contact Cingular Wireless for assistance.
If you are inside a coverage and cannot complete a call, your SIM card may not be activated. Please contact Cingular Wireless for assistance.
To quickly redial your most recent call, press and hold the Phone/Send button to display the redial list.
Making your first call
We recommend that you charge your Treo 650 smartphone for a full four hours (or until the indicator light is solid green) before using it for the first time.
1.Press and hold Power/End 
. You will hear a series of ascending tones.
2.Allow the Treo to complete a network search. The search may take several
seconds. When it is complete, the Network Status icon 
appears in the
3.Press Phone/Send 
.
4.Using the number pad on the Treo keyboard, enter the desired phone number.
5.Press Phone/Send 
to dial.
6.When your call is complete, press Power/End 
or use the