We can communicate with others using a physical SIM card. We can also communicate through various other apps and through WiFi calling. Apart from these, another new technology is e-SIM technology. It is not a sim card, but it works like a phone call.
Oppo Reno8 pro (china) phone is one of the most expensive phones that have come on the market recently. This phone is packed with various features and is quite popular. Despite boasting so many features, one thing that is lacking in this phone is the e-SIM technology. You will not get the benefit of e-SIM technology on this phone.