تكنو أكاديمي - ما هي بطاقة SIM، ولماذا هو مهم جدا؟ ================================= في عالم الهواتف النقالة، وهناك نوعان الهاتف الأولية المتوفرة للمستهلكين: GSM (النظام العالمي للاتصالات النقالة) و CDMA (الوصول لتقسيم الشفرات
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Amazon.com: Verizon Wireless 4G LTE SIM Card - All 3 Sizes (3-in-1), Nano/Micro/Standard Sizes (4FF / 3FF / 2FF) : Cell Phones & Accessories
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