What is SIM and what it contains

Subscriber identification module and it contain  International Mobile Subscriber Identity (IMSI)
Which is unique authenticate subscribers on mobile,SIM cards store network-specific information used to authenticate and identify subscribers on the network,generally  32 KB and 64 KB memory to store the data as well as tem info which u stored,Each SIM is internationally identified by its integrated circuit card identifier (ICCID). ICCIDs are stored in the SIM cards and are also engraved or printed on the SIM card body during a process called personalization.
International mobile subscriber identity (IMSI) contains Mobile Country Coode, Mobile Network Code as well as MSIN.

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  • Testing sim card are cards which are not provided by any operator (company).

    sanjay kumar said:

    what is testing sim card.


  • A small encoded circuit board; it can be integrated into GSM mobile phones just the moment you sign in like a subscriber. It stores the information of an individual who subscribe, security data & memory to hold personal numbers. SIM card holds information which enables the network service provider to identify the caller. It hangs on to the same applications whether the SIM is of the size of credit card or plug in type. A SIM card is like a detachable memory card that can be integrated into any GSM handset, allowing you to maintain the same mobile number even in case you change your handset. A typical unique chip, it is found in all GSM cell phone.




    Bharat Dangwal said:

    Is this the same case with the testing sim card.

    And can u tell me how the card actually works.

    sanjay kumar said:

    no u can not change the IMSI from the sim ca crd because it contains MCC & MNC MCC is country code and mnc contains Network code,for each network there is some code like airtel has some number and vodaphone has some diff MNC.

  • what is testing sim card.

  • Is this the same case with the testing sim card.

    And can u tell me how the card actually works.

    sanjay kumar said:

    no u can not change the IMSI from the sim ca crd because it contains MCC & MNC MCC is country code and mnc contains Network code,for each network there is some code like airtel has some number and vodaphone has some diff MNC.

  • no u can not change the IMSI from the sim ca crd because it contains MCC & MNC MCC is country code and mnc contains Network code,for each network there is some code like airtel has some number and vodaphone has some diff MNC.

  • informative .....gud one

  • What is Java2.0 sim ?

    Difference between between Java2.0 sim and Java3.0 sim ?

  • Can v change the IMSI inside the sim card.

  • nice one.....!!

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