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        <div id="content-top1">Page 4 - Cáº©m nang kiáº¿n thá»©c vá» Iphone</div>
        <div id="content-top2">P. 4</div>
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    <pre style="white-space:pre-line"><code>ECID lÃ  gÃ¬?
    ECID Ä‘Æ°á»£c viáº¿t táº¯c tá»« chá»¯ Exclusive Chip ID. NÃ³ lÃ  mÃ£ sá»‘ cá»§a 1 con chip

nhá» mÃ  Apple Ä‘Ã£ gáº¯n vÃ o phone 3GS vÃ  Ipod Touch 3G. Má»—i iPhone lÃ  má»™t
mÃ£ sá»‘ khÃ¡c nhau, qua Ä‘Ã³, Apple cÃ³ thá»ƒ chá»©ng thá»±c Ä‘Æ°á»£c iPhone nÃ o khi káº¿t
ná»‘i vá»›i Server cá»§a Apple. ECID khÃ´ng thá»ƒ thay Ä‘á»•i Ä‘Æ°á»£c báº±ng software, chá»‰
cÃ³ thá»ƒ thay Ä‘á»•i báº±ng cÃ¡ch thay chip khÃ¡c

Bootrom lÃ  gÃ¬?
      Bootrom lÃ  má»™t bá»™ pháº­n giÃºp khá»Ÿi Ä‘á»™ng iPhone. Apple Ä‘Ã£ cáº­p nháº­t

phiÃªn báº£n Bootrom cho cÃ¡c Ä‘á»i Pod Touch Model MC vÃ  cÃ¡c iPhones 3GS
sáº£n xuáº¥t sau nÃ y. VÃ¬ váº­y chÃºng ta cÃ³ 2 loáº¡i Bootrom cÅ© vÃ  má»›i. ChÃºng ta cÃ³
thá»ƒ lÃ m theo cÃ¡ch sau Ä‘Ã¢y Ä‘á»ƒ biáº¿t Ä‘Æ°á»£c ECID vÃ  Bootrom cá»§a iPhone.

       -Káº¿t ná»‘i IP vá»›i mÃ¡y tÃ­nh. ÄÆ°a IP vá» DFU
       -VÃ o Devices Manager.
       -Báº¥m vÃ o Universal Serial Bus Controller.
       -Chá»n Apple Mobile Device USB Driver, báº¥m chuá»™t pháº£i lÃªn nÃ³.

       -Chá»n Properties, vÃ o tháº» Details.
       -KÃ©o xuá»‘ng Device Instance Path</code></pre>
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