
Page 16  Introduction to Your Treo™ 180 Comm unicator
Locating back panel components
Inserting the SIM card
The SIM card is a small rectangular plastic piece that contains your phone number and account 
information. It is included with your wireless service provider’s documentation and is often 
referred to as a “smartca rd.” If a SIM card did not com e with your communicator , your wireless 
service provider will prov ide you with one when you subs cribe to their service. 
You must insert your SIM card int o your communicator before you c an use it for wireless 
communications. Since call s are billed to your phone number , you can, however, move your SI M 
card to any phone that uses a SIM card, and the calls will be billed to your account.
To insert the SIM card:
1. Remove the SIM door.
2. With the contacts face-up, align the notch on the SIM card with the notch on the door and 
insert the SIM card into the slot on the door.
3. Replace the SIM door.
SIM card door Secures your SIM (Subscriber Identity Module) card in your phone. 
Reset button Under normal use, you should not have to use the reset button. See 
Appendix A for information about when and how to use the reset button.
Charger and 
USB/serial 
connector
The connector that connects your communicator to the travel charger and 
HotSync cable. The HotSync cable connects to a USB port or serial port 
on your computer and enables you to synchronize the information 
between your communica tor and computer using HotS ync technology.
Reset 
button
Charger and 
USB/serial 
connector
SIM card door
SIM card
SIM door
Notch