Subscriber Identity Module 2 A N N E X A - Siemens S45 Service Manual

Subscriber Identity Module(SIM)
SIM is a smart card which has a computer and memory chip that is permanently installed in the
mobile equipment. It comes in either the size of a credit card or smaller version known as the
plug-in SIM.
The subscriber information, which includes a unique number called the International Mobile
Subscriber Identity (IMSI) is stored in the SIM card. SIM card identifies the subscriber to the
network.
To protect the SIM card from improper use, a security feature, a four digits personal identification
number(PIN), is built in. The PIN is stored in the card and can be changed by the subscriber.
Any deactivated SIM, due to wrong PIN entry, can be re-activated by the network operator
only.
PHOTO 1 illustrates the steps for inserting the SIM card into the S45/ME45.

For Singapore Only: To distinguish between Phase 1(5V) and Phase 2(3V) SIM card.
Singtel: Phase 1  Fxxxxxxxx
M1: at the back of the SIM card label Phase 2 & 16K.
Please check with the operator(s) in your country for detail information.
S45/ME45 only support 3V or 1.8V SIM card.
S45/ME45 will prompt for "Insert SIM card" when a 5V SIM
PHOTO.1 SIM CARD ACCESS
card is inserted.
Phase 2  GAxxxxxxx