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mrat93

macrumors 68020
Original poster
Dec 30, 2006
2,340
3,383
I tried downgrading my iPhone with the iJailbreak method, and as soon as I'm on the 1.1.1 homepage, it says invalid SIM, did not show "AT&T" and showed zero bars.. Despite the warning, I continued to 1.1.3 using iJailbreak. Once I got to 1.1.3, it still said invalid SIM, didn't show "AT&T" and showed zero bars. Tried again... still no luck. What am I doing wrong?

P.S. Once I restored back to 1.1.3, all was well, but I still need it Jailbroken!
 
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