How to Identify a SIM Card Version
Updated July 21, 2017
If you use a cell phone, chances are the phone has a SIM (Subscriber Identity Module) card installed. These cards have all of your billing information written on them and even store excess data you put on your phone. Over the years SIM cards have been assigned version numbers, but these aren't always easy to find. The good news is that there is a simple way to discern the version of your SIM card and it doesn't involve hacking the card itself.
Turn on your phone and make sure the SIM card hasn't been removed. Access your phone book and check the storage capacity. If you can store more than 250 entries in your phone book, then you are using a version 1 SIM card. If you don't have a phone book, proceed to step 2.
Remove the SIM card from your cellular or smartphone. Consult the user guide if you are having problems accessing it. As a general rule, most SIM cards are located under the phone battery.
Locate the date that the SIM card was issued as it is printed on the bottom of the SIM card. If your SIM card was issued before June 2002 then you are using a version 1 SIM card.
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