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Mac OS X Leopard runs IE6 (Active X) natively.Remove and reenter the Mac Office 2008 product key.vfdecrypt -i $SYSTEMRESTOREIMAGE -o $DEVICECLASS$PRODUCTVERSION$ -k $DECRYPTKEY > /dev/null 2>/dev/nullĮcho "RAMDISK = $DEVICECLASS$PRODUCTVERSION$"Įcho "FILESYSTEM = $DEVICECLASS$PRODUCTVERSION$" Unzip -o $IPSWNAME $SYSTEMRESTOREIMAGE > /dev/null 2>/dev/null Run these commands to get the decrypt key of iPhone firmware 2.0 beta 4 (build 5A258f) Volumes/ramdisk/usr/local/standalone/firmware The baseband is in the following folder of the converted ramdisk () mounted image Strip off the first 32 bytes (0x20) and remove the trailing certificate information The output is 610816 which will be used for the next command Run these commands to get the ramdisk of iPhone firmware 2.0 beta 4 (build 5A258f) Extract important files (for Mac just double click the decrypted dmg file, for windows use PowerISO to open) Decrypt rootfs (using vfdecrypt utility)ĥ. Extract rootfs decryption key (using strings command)Ĥ. Decompress firmware (using unzip command)ģ. Steps to decrypt the iPhone firmware 2.0 beta 4 (build 5A258f) and extract the files from ramdisk and rootfsġ.