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Difference between revisions of "Tutorial:Creating a NOR-only IPSW"

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(this doesn't matter, the mediawiki software will encode it to valid html (look at the source) (also, the dtd link was doing "....dtd&quot" in the link)
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This will create an [[IPSW File Format|IPSW]] that only flashes your device's [[NOR]]. It will not touch the [[iOS|operating system]] or [[NAND]].
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This will flash your device to NOR-only
  
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# Create a custom ipsw
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# Create a custom IPSW
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# Unpack it, remove rootfs dmg
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# Unpack it, remove rootfs DMG
 
# Decrypt the ramdisk ([[xpwntool]]) and mount it.
  
# Decrypt the ramdisk ([[xpwntool]]) and mount it.
 
# Edit options.plist (/usr/local/share/restore/options.plist) on the restore ramdisk:
  
# Edit options.plist (/usr/local/share/restore/options.plist) on the restore ramdisk:
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</dict>
  
</dict>
 
</plist>
  
</plist>
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# Unmount and reencrypt the restore ramdisk.
  
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<ol start="5">
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# Repack the [[IPSW]].
  
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<li>Unmount and reencrypt the restore ramdisk.</li>
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NOTE: This technique only works on devices vulnerable to the [[2kPwn]] bootrom exploit.
  
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<li>Repack the IPSW.</li>
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</ol>
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NOTE: This technique only works on devices that have an untethered bootrom exploit ([[Pwnage]] or [[0x24000 Segment Overflow]]).
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[[Category:Tutorials]]

Latest revision as of 12:18, 27 August 2013

This will create an IPSW that only flashes your device's NOR. It will not touch the operating system or NAND.

  1. Create a custom IPSW
  2. Unpack it, remove rootfs DMG
  3. Decrypt the ramdisk (xpwntool) and mount it.
  4. Edit options.plist (/usr/local/share/restore/options.plist) on the restore ramdisk:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
   <key>CreateFilesystemPartitions</key>
   <false/>
   <key>UpdateBaseband</key>
   <false/>
   <key>SystemImage</key>
   <false/>
</dict>
</plist>
  1. Unmount and reencrypt the restore ramdisk.
  2. Repack the IPSW.

NOTE: This technique only works on devices that have an untethered bootrom exploit (Pwnage or 0x24000 Segment Overflow).

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