Originally Posted by
mpkz
Most people aren't focusing on installing a new SIM card with 22 minutes before departure time. There are also lines for short connections at security, it should not take 30 minutes for people in a hurry...
As the connection was not short (75 minutes), there was no short connection line opened.
Also if the SIM card was not activated before flying west, it won't be usable after landing since the domestic flight actually arrived in another country. (I think that a domestic flight is a flight where immigration control is not needed, otherwise I think it is ridiculous to consider a flight between Beijing and Hong Kong, or a flight between metropolitan France and Réunion as domestic)