Sim Card And Identification; Sim Card; Identification - Motorola C25 Service Manual

Level 1 and 2 Service Manual

SIM Card and Identification

SIM Card

Identification

6881039B15
A SIM (Subscriber Identity Module) card is required to access the existing local
GSM network, or remote networks when traveling (if a roaming agreement has been
made with the provider).
The SIM card contains:
• All the data necessary to access GSM services
• The ability to store user information such as phone numbers.
• All information required by the network provider to provide access to the net-
work.
Each Motorola GSM device is labelled with a variety of identifying numbers. The
following information describes the current identifying labels.
Mechanical Serial Number (MSN)
The Mechanical Serial Number (MSN) is an individual unit identity number and
remains with the unit throughout the life of the unit.
The MSN can be used to log and track a unit on Motorola's Service Center Database.
The MSN is divided into 4 sections as shown in Figure 20.
3 Digits
APC
Account Product Code
TM
i.e. StarTAC Phone130
Figure 20. MSN Label Breakdown
August 01, 2001
MSN 10 Digits
1 Digit 2 Digits
DC DC
Distribution Center Date Code: Year and
i.e. Easter Inch Month of Shipment
SIM Card and Identification
4 Digits
SNR
Unit's individual serial
number
000807-A
33