{"id":32268,"date":"2022-11-27T19:02:37","date_gmt":"2022-11-27T19:02:37","guid":{"rendered":"http:\/\/65.0.9.59\/?post_type=full-form&#038;p=32268"},"modified":"2022-12-20T07:35:10","modified_gmt":"2022-12-20T07:35:10","slug":"what-is-the-full-form-of-sim","status":"publish","type":"full-form","link":"https:\/\/leapscholar.com\/blog\/full-form\/what-is-the-full-form-of-sim\/","title":{"rendered":"What is the full form of SIM?"},"content":{"rendered":"\n<p>The full form of <strong>SIM<\/strong> is <strong>Subscriber Identity Module<\/strong>, also known as the <strong>Subscriber Identification Module<\/strong>. <strong>International Mobile Subscriber Identity<\/strong> (<strong>IMSI<\/strong>) is stored on a portable chip with a built-in circuit known as SIM. It is a smart memory card that enables us to make a phone call anywhere in the world while maintaining the user&#8217;s constant contact network.<\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_68_1 ez-toc-wrap-left counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title \" >Table of Content<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #192a3d;color:#192a3d\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #192a3d;color:#192a3d\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/leapscholar.com\/blog\/full-form\/what-is-the-full-form-of-sim\/#History\" title=\"History\">History<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/leapscholar.com\/blog\/full-form\/what-is-the-full-form-of-sim\/#Use_of_a_SIM_Card\" title=\"Use of a SIM Card\">Use of a SIM Card<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/leapscholar.com\/blog\/full-form\/what-is-the-full-form-of-sim\/#The_SIMs_Size\" title=\"The SIM&#8217;s Size\">The SIM&#8217;s Size<\/a><\/li><\/ul><\/nav><\/div>\n\n\n\n\n<p>On GSM networks that are operated and controlled by smartphones, SIM is typically used. It can be used with any mobile device that supports this and is portable.<\/p>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block stk-438cc76\" id=\"history\" data-block-id=\"438cc76\"><h2 class=\"stk-block-heading__text\"><span class=\"ez-toc-section\" id=\"History\"><\/span>History<span class=\"ez-toc-section-end\"><\/span><\/h2><\/div>\n\n\n\n<p>Devrient and Giesecke, a smart-card manufacturer, based in Munich, created the first SIM card in 1991. The European Telecommunication Standards Institute was the organisation that first acknowledged and declared the SIM.<\/p>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block stk-37826ab\" id=\"use-of-a-sim-card\" data-block-id=\"37826ab\"><h2 class=\"stk-block-heading__text\"><span class=\"ez-toc-section\" id=\"Use_of_a_SIM_Card\"><\/span>Use of a SIM Card<span class=\"ez-toc-section-end\"><\/span><\/h2><\/div>\n\n\n\n<p>The SIM card houses a lot of information, transfers important data back and forth to the users&#8217; network, and contains some of their private and personal information. The list of data that SIM stores are:<\/p>\n\n\n\n<ul>\n<li>Address details<\/li>\n\n\n\n<li>Text messages<\/li>\n\n\n\n<li>Personal security keys<\/li>\n\n\n\n<li>Phone number<\/li>\n\n\n\n<li>Data regarding network authorization.<\/li>\n\n\n\n<li>Other data.<\/li>\n<\/ul>\n\n\n\n<p>A few crucial data carried out by SIM are listed below:<\/p>\n\n\n\n<ul>\n<li>IMSI (International Mobile Subscriber Identity)<\/li>\n\n\n\n<li>Unique serial number<\/li>\n\n\n\n<li>Security information<\/li>\n\n\n\n<li>Brief details related to the local network.<\/li>\n<\/ul>\n\n\n\n<div class=\"wp-block-stackable-heading stk-block-heading stk-block stk-ea01b04\" id=\"the-si-ms-size\" data-block-id=\"ea01b04\"><h2 class=\"stk-block-heading__text\"><span class=\"ez-toc-section\" id=\"The_SIMs_Size\"><\/span>The SIM&#8217;s Size<span class=\"ez-toc-section-end\"><\/span><\/h2><\/div>\n\n\n\n<p>When SIM was first manufactured, it was almost the size of a credit card. However, the later size of the SIM, which was eventually made public, had a capacity of 15 mm by 12 mm. The nano and micro SIM chip sizes are now used in some smartphones.<\/p>\n","protected":false},"featured_media":0,"template":"","blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"_links":{"self":[{"href":"https:\/\/leapscholar.com\/blog\/wp-json\/wp\/v2\/full-form\/32268"}],"collection":[{"href":"https:\/\/leapscholar.com\/blog\/wp-json\/wp\/v2\/full-form"}],"about":[{"href":"https:\/\/leapscholar.com\/blog\/wp-json\/wp\/v2\/types\/full-form"}],"wp:attachment":[{"href":"https:\/\/leapscholar.com\/blog\/wp-json\/wp\/v2\/media?parent=32268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}