@Black-Raven It works, much appreciated!

It seems I need

Lenovo ThinkPad X380 Yoga Advanced Menu unlock

@Black-Raven you already have BIOS dump of my laptop, is it sufficient to unlock the advanced menu in it?

@Black-Raven , Yep, modem is working.
Thanks a lot!

I see. Wait a bit for my reply, please!
@Black-Raven

Hello everybody!

I need to install different modem in my laptop

Lenovo ThinkPad X380 Yoga Whitelist Removal , help me :-)

Looking forward to your response.