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Hello guys,
I have a lenovo y50–70 labtop and I want to remove wlan whitelist. So I took a dump my bios with “universal bios backup tool v2.00”. That software created a dump .rom file. I opened that file with UEFITool and found “Unauthorized Wireless network card is plugged in” section and extracted body to a .efi file.
I opened .efi file with IDA and I changed ‘ENABLE_L05_WLAN_LOCK” (I mean byte_1800019BD) and “ENABLE_L05_WWAN_LOCK” (I mean byte_1800019DC) to 0. So I applied changes and took a new image. Finally I changes the section body with new image on my dump .rom file. Every think was worked like charm but I didn’t find a way to flash that moded rom into my laptop. How can I do that? Which tools do you use for that?