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        <div id="content-top1">Page 5 - Cáº©m nang kiáº¿n thá»©c vá» Iphone</div>
        <div id="content-top2">P. 5</div>
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    <pre style="white-space:pre-line"><code>CÃ¡c báº¡n cÅ©ng cÃ³ thá»ƒ biáº¿t Bootrom cÅ© hay má»›i qua viá»‡c kiá»ƒm tra Serial
Number trÃªn iPhone. Äá»ƒ biáº¿t sá»‘ tuáº§n sáº£n xuáº¥t, chÃºng dá»±a vÃ o sá»‘ thá»© tá»± thá»© 4
vÃ  5 trÃªn Serial Number. Tuáº§n dÆ°á»›i 40 cháº¯c cháº¯n 100% bootrom cÅ©. Tuáº§n tá»«
41- 44 cÃ³ thá»ƒ cÃ³ cÅ© vÃ  má»›i. Tuáº§n 45 trá»Ÿ lÃªn 100% lÃ  Bootrom má»›i. IBOOT
359.3 = CÅ© IBOOT 359.3.2 = Má»›i

                        iPhone nÃ y sáº£n xuáº¥t tuáº§n thá»© 10/2010, cÃ³ Bootrom má»›i
SHSH lÃ  gÃ¬?
NhÆ° Ä‘Ã£ nÃ³i á»Ÿ trÃªn, Apple kiá»ƒm soÃ¡t iPhone cá»§a chÃºng báº±ng ECID thÃ´ng qua
má»™t file Ä‘Æ°á»£c lÆ°u trá»¯ trÃªn Server, file Ä‘Ã³ Ä‘Æ°á»£c gá»i lÃ  SHSH. NhÆ° váº­y, SHSH
coi nhÆ° lÃ  má»™t tá» chá»©ng nháº­n hay má»™t tá» giáº¥y thÃ´ng hÃ nh cho iPhone cá»§a
chÃºng ta. Táº¡i sao lÃ  má»™t tá» giáº¥y thÃ´ng hÃ nh? Bá»Ÿi vÃ¬, khi chÃºng ta nÃ¢ng cáº¥p
lÃªn má»™t Firmware cao hÆ¡n, náº¿u muá»‘n quay láº¡i Firmware cÅ© thÃ¬ báº¯t buá»™t pháº£i
cÃ³ file SHSH nÃ y. CÅ©ng nhÆ° chÃºng ta tá»« Viá»‡t Nam Ä‘i ra nÆ°á»›c ngoÃ i, muá»‘n
trá»Ÿ láº¡i Viá»‡t Nam pháº£i cáº§n cÃ³ Passport váº­y.

LÃ m cÃ¡ch nÃ o Ä‘á»ƒ LÆ°u/Láº¥y SHSH?
Cydia giÃºp chÃºng ta lÆ°u file SHSH trÃªn Server cá»§a há» Ä‘á»ƒ phá»¥c vá»¥ cho viá»‡c
Restore sau nÃ y. Má»™t khi chÃºng ta Ä‘Ã£ lÆ°u Ä‘Æ°á»£c file SHSH trÃªn Cydia thÃ¬ cÃ³
thá»ƒ láº¥y vá» mÃ¡y tÃ­nh cá»§a mÃ¬nh báº¥t cá»© lÃºc nÃ o. Cydia chá»‰ giÃºp chÃºng ta lÆ°u file
SHSH á»Ÿ Firmware hiá»‡n táº¡i Ä‘ang lÆ°u hÃ nh, cho dÃ¹ lÃºc chÃºng ta lÆ°u SHSH khi
iPhone cá»§a chÃºng ta Ä‘ang á»Ÿ Firmware trÆ°á»›c, tháº¥p hÆ¡n hiá»‡n táº¡i. Äiá»u Ä‘Ã³ cÃ³
nghÄ©a Cydia chá»‰ giÃºp ta láº¥y SHSH tá»« Apple vÃ  lÆ°u láº¡i trÃªn Server. Äá»ƒ lÆ°u</code></pre>
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