The test version of iOS 12 found support for two SIM-cards in the new iPhone. This is reported 9to5mac.
Among the components of the system that generate reports on the operation of the device, the lines "Second SIM-card status" and "Tray status of the second SIM-card". Also, the specialists noticed several other mentions of the function support in the iPhone.
In early July 2018, it was also reported that the new iPhone will receive support for two SIM-cards. However, one of them will be a virtual Apple SIM, both in the iPad and Apple Watch. It can be overwritten, thereby changing the operator and the tariff. It is noted that only iPhone with 6.1 and 6.5 inches screens will support the function.
According to rumors, in the fall of 2018, Apple will release three models of the iPhone, which will outwardly resemble the iPhone X. They will receive frameless screens with a cutout at the top and support for Face ID. Two of them will be equipped with OLED-displays with a diagonal of 5.8 and 6.5 inches, and the third with a 6.1-inch LCD matrix. The largest model in size corresponds to the iPhone 8 Plus. A smartphone with a 6.1-inch screen will be the cheapest of the line and will cost about 700 dollars.