Sage-Tips

Does IMSI change with SIM card?

All signaling and messaging in GSM and UMTS networks uses the IMSI as the primary identifier of a subscriber. The IMSI is one of the pieces of information stored on a SIM card. It is possible to change the information contained on a SIM (including the IMSI), but the identify of the SIM itself remains the same.

Why would an IMSI change?

In this case, the home network decides when to trigger an IMSI change. For example, the home network could decide to change an IMSI whenever the USIM changes serving network, or after a fixed number of calls.

Is IMSI and SIM same?

While they are both parts of the SIM profile, an IMSI identifies the subscriber, whereas the ICCID identifies the SIM card itself. Multiple SIM cards will have the same IMSI if they’re associated with the same subscriber, but they will each have a unique ICCID.

Where is IMSI number on SIM?

Tap Status. On some phones like HTCs, this may be called ‘Phone Identity’. Tap IMEI Information. Your SIM number will show as either the ‘IMSI’ number, or the ‘ICCID number’.

Does IMSI contain phone number?

An international mobile subscriber identity (IMSI) number uniquely identifies a cellphone subscriber. It’s usually stored in a SIM card. A mobile subscriber integrated services digital network (MSISDN) number is a cellphone’s phone number. The IMSI is used internally within cellphone systems to identify a phone.

Is IMSI same as IMEI?

IMEI is tied to the phone and is used to identify the phone. IMSI is tied to the SIM card and is used to identify the subscriber and services assigned to him/her. IMSI moves from phone to phone with the SIM, but IMEI remains with the handset. As an end-user, you will find IMEI useful for blocking lost or stolen phones.

Can IMSI be changed?

IMSI can not be changed, it is associated with SIM card and hence uniquely identifies the user and which country he belongs, also which operator is serving him.

How can I Change my IMSI number?

IMSI can not be changed, it is associated with SIM card and hence uniquely identifies the user and which country he belongs, also which operator is serving him. Edit : if you really want to change your IMSI, it is not possible with the same operator, rather opt for MNP ( Mobile Number portability),…

What is the difference between IMEI number and IMSI number?

On the other hand, when you transfer your SIM card from one phone to another, the IMSI number carries itself to the new phone with the SIM. The IMEI number stays with the phone as it is tied to the phone. Telecom operators use the IMSI number to identify the customer and all the services that he/she has signed up for.

Can I change the IMEI number on my sim card?

It is possible to change the information contained on a SIM (including the IMSI), but the identify of the SIM itself remains the same. IMEI is short for International Mobile Equipment Identity and is a unique number given to every single mobile phone, typically found behind the battery.

What is the difference between the IMSI and ICCID?

The IMSI is one of the pieces of information stored on a SIM card. ICCID = Integrated Circuit Card ID. This is the identifier of the actual SIM card itself – i.e. an identifier for the SIM chip. It is possible to change the information contained on a SIM (including the IMSI), but the identify of the SIM itself remains the same.