Dear Zender, I am ready to try the suggested patched BIOS, I have Lenovo T400 (2765 22G) with the SIM module ready, I bought new OPTION GTM-378E WWAN 3G card unlocked. I got error 1804 when I installed the new card and the system is unable to work unless I uninstall the new card. Please advice. Wassim

Dear All, Dear Zender, I have Lenovo T400 (2765 22G) with the SIM module ready, I bought new OPTION GTM-378E WWAN 3G card unlocked. After rebooting I got error 1804 and the system is unable to work unless I uninstall the new card. After searching online, I found that it is something related to Leno...