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Preventing Baseband Update
Revision as of 02:46, 25 November 2010 by Whiteshinyapple (talk | contribs) (New page: 1. Unpack Original/Custom IPSW 2. Decrypt Restore Ramdisk using xpwntool and mount it 3. Navigate to /usr/local/share/restore 4. Edit options.plist on the restore ramdisk <pre><?xm...)
1. Unpack Original/Custom IPSW
2. Decrypt Restore Ramdisk using xpwntool and mount it
3. Navigate to /usr/local/share/restore
4. Edit 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>UpdateBaseband</key> <false/> </dict> </plist>
5. Reencrypt the restore ramdisk
6. Repack the ipsw
7. Restore IPSW to iTunes after preparing device for custom firmware.
This method works on iOS 4.2.1
