What are the advantages of CoreESIM over physical SIM cards in Beijing?

CoreESIM offers significant advantages over traditional physical SIM cards for travelers to Beijing. Firstly, it eliminates the need to locate a local vendor or queue at PEK or PKX airports, streamlining your arrival. Secondly, you avoid physically swapping SIM cards, reducing the risk of loss or damage to your primary SIM. With CoreESIM, you can digitally manage and switch between your home carrier and your China Mobile or China Unicom data plan, maintaining your primary number for calls/texts while benefiting from local data rates, all from your device's settings.