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The
SIM (Subscriber Identity Module) card is about the size
of a postage stamp, with embedded circuitry on one side.
When inserted into a GSM handset the SIM facilitates
mobile service on a particular GSM network.
The
SIM card contains initial information to your mobile phone
service – your mobile number and the features or
services available to you, as a subscriber, on a particular
GSM network.
Your SIM Card references:
Phone
number assigned to your mobile account
Security
information to connect to our network or another mobile
operator’s
Personal phone book
Email
and Text Message storage
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