Level 1 and 2 Service Manual | Subscriber Identity Module (SIM) and Identification |
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Subscriber Identity Module (SIM) and Identification Label
SIM
A SIM 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 network
Identification
Each Motorola GSM phone is labeled with a variety of identifying numbers. The following information describes the current identifying labels.
Mechanical Serial Number (MSN)
The MSN is an individual unit identity number and remains with the unit throughout its life.
The MSN can be used to log and track a phone on Motorola's Service Center
Database.
The MSN is divided into 4 sections as shown in Figure 17.
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| MSN 10 Digits |
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| 3 Digits |
| 1 Digit |
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| 2 Digits |
| 4 Digits |
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| APC |
| DC |
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| DC |
| SNR |
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| Account Product Code |
| Distribution Center |
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| Date Code: Year and |
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| Unit's individual serial |
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| i.e. StarTAC TM Phone130 |
| i.e. Easter Inch |
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| Month of Shipment |
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000807a
Figure 17. MSN label breakdown
April 21, 2004 | 31 |