Your X201 has decent support in the free coreboot BIOS, so if you fancy a weekend project you can ditch the WWAN whitelist altogether:
http://www.coreboot.org/Board:lenovo/x201
Thanks for the heads up with CoreBoot
Your X201 has decent support in the free coreboot BIOS, so if you fancy a weekend project you can ditch the WWAN whitelist altogether:
http://www.coreboot.org/Board:lenovo/x201