I don't think that's correct. With the old WiFi networks (Virgin, Vodafone WiFi, etc.), yes. With the new 4G+5G coverage, you can access that the same as you

I don't think that's correct. With the old WiFi networks (Virgin, Vodafone WiFi, etc.), yes. With the new 4G+5G coverage, you can access that the same as you access above ground coverage.