Difference between revisions of "Preventing Baseband Update"

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(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...)
 
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7. Restore IPSW to iTunes after preparing device for custom firmware.
 
7. Restore IPSW to iTunes after preparing device for custom firmware.
   
This method works on iOS 4.2.1
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'''This method works on iOS 4.2.1'''
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[[Category:Baseband]]

Revision as of 03:07, 25 November 2010

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