Summary of BIOS Whitelist Removal Problem


Problem:
I am attempting to remove the WWAN card whitelist from my Lenovo ThinkPad T560.
Initial Findings:
  • My current BIOS version is N1KET58W (1.45).
  • I have a CH341A programmer and have successfully created two full backups of my BIOS.
  • I have the ability to use command-line tools on a Linux machine.
Troubleshooting Steps & Conclusions:
  • I attempted to use several automated and manual patching methods on my N1KET58W (1.45) BIOS, including using hex strings. These attempts all failed.
  • I concluded that the
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