1) I left Vietnam in Jan 2020 (couldn't go back thanks to covid), so that's where my knowledge stops. 5G wasn't being rolled out yet. 3) A lot of those empty p

1) I left Vietnam in Jan 2020 (couldn't go back thanks to covid), so that's where my knowledge stops. 5G wasn't being rolled out yet. 3) A lot of those empty places are where nobody lives. All the major spots are well covered. I spent 2 years on a motorbike traveling the entire country and including into many super remote areas... I never once had coverage issues.