About Your Smart Card
July 29, 2002
T-Mobile Sidekick Owner’s Manual
30
3. About Your Smart Card
If you are unfamiliar with Smart Cards or SIM cards, you might be interested to learn more by reading the
following questions and answers:
What Is a Smart Card?
A Smart Card is the size of a credit card and contains a SIM card, which is an acronym that stands for
S
ubscriber
I
dentification
M
odule. A SIM is a small card that fits into a slot within your device. The card contains a chip that
holds information required to operate a device.
Exactly What Information Is on My Device SIM?
Your device SIM stores the following information:
•
International Mobile Subscriber Identity (IMSI) Number
- Number that uniquely identifies you as a
subscriber on the network. The number is made up of three parts: a three-digit mobile country code, a
two-digit mobile network code, and a (up to) 10-digit mobile subscriber identify number.
•
Mobile Subscriber ISDN (MSISDN) Number
- Your mobile telephone number. (ISDN stands for
Integrated Services Digital Network.)
•
SIM PIN
- A Personal Identification Number (PIN) that you set using the Jump Settings > Key Guard &
Security screen. This code protects your SIM from being used by another person in another device in the
event it is lost or stolen.
•
SMS Messages
- Short Message Service messages that you receive and save. T-Mobile Phone Messages
messages use the Short Message Service. Note that outgoing messages (“sent”) are not saved to the SIM.
•
Contact Information
- Contact information (name:number) is only stored on your SIM if you’ve used
your SIM previously in a mobile phone and stored names and numbers in that phone. Note that you can
import previously-stored contact info into your device Address Book by following the instructions in
Import
Contacts from SIM
on page 124.
My SIM Card Came Locked! How Do I Unlock It?
When you receive your device, the SIM card may be locked by default. If this is the case, before you can connect
to the network or register your new device account, you’ll be prompted to enter a PIN. Type
1234
. You can
always change your SIM PIN using the Key Guard & Security screen. Read more in
Lock Your SIM Card
on page
44.
•
What Is a Smart Card?
on page 30
•
Exactly What Information Is on My
Device SIM?
on page 30
•
My SIM Card Came Locked! How Do I
Unlock It?
on page 30
•
Can I Remove My SIM?
on page 31
•
How Do I Handle My SIM?
on page 32
•
What Happens If I Lose My SIM?
on
page 32
•
What Happens If I Put A Different SIM
in My Device?
Summary of Contents for Sidekick
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