Removing Wi-Fi Whitelist on Haswell Thinkpads (T440p, T540, W540) & Unlocking Advanced BIOS Settings

A long-awaited update on the 4th gen Thinkpad whitelist situation! Thanks to the effort of the Thinkpad community you can now mod the BIOS yourself – without paying for it and relying on other people's work.
Text version: https://notthebe.ee/blog/removing-the-wifi-whitelist/

CH341a (eBay) https://www.ebay.com/itm/EEPROM-BIOS-USB-Programmer-CH341A-SOIC8-Clip-1-8V-Adapter-SOIC8-Adapter/264715247642
CH341a (Amazon) https://www.amazon.com/Organizer-Socket-Adpter-Programmer-CH341A/dp/B07R5LPTYM
CH341a (Aliexpress) https://www.aliexpress.com/item/32793476447.html

Flashrom https://flashrom.org/Flashrom
UEFIPatch https://github.com/LongSoft/UEFITool/releases
thinkpad-uefi-sign https://github.com/thrimbor/thinkpad-uefi-sign
Patches (right click – save link as) http://paranoid.anal-slavery.com/files/backup_thinkpads/xx40_patches_v7.txt
Patches (mirror): https://pastebin.com/TZYnnmY8

Special thanks to:
Thrimbor https://github.com/thrimbor
tonymacx86 https://www.tonymacx86.com/
XX and paranoidbashthot for developing the BootGuard bypass method and patches for xx40 onwards

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Music:
Falls - A Strange Science
Fairlight - Modularity

Timestamps:
00:00 Introduction
00:53 Disclaimers
01:41 Special thanks
01:59 Hardware preparations (the tutorial starts here)
02:32 Software preparations
03:34 Preparing the patches
04:05 Making a BIOS dump
05:30 Patching the BIOS file
06:30 Flashing the modded BIOS
07:20 Outro

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