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What to Do with Old SIM Cards: Secure Disposal and Repurposing Guide for 2026
"Note: This article focuses exclusively on physical Subscriber Identity Module (SIM) cards and embedded chip management, rather than software-based eSIM configurations. Old SIM cards accumulate quickly in drawers, old phone cases, and desk organizers. As mobile technology shifts toward embedded eSIM standards in 2026, millions of legacy plastic SIM cards are being phased out. Discarding these small chips carelessly creates severe security vulnerabilities. Because a SIM card stores unique International Mobile Subscriber Identity (IMSI) numbers, authentication keys, SMS contacts, and carrier data, improper disposal risks exposing sensitive perso..."
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