French news site iGeneration claims the iPhone 15 and iPhone 15 Pro could be released without a physical SIM card tray in France. As many countries have adopted eSIM technology for the past few years, Apple might bring the SIM card-free iPhone 15 models to more countries.
For Singapore, all iPhone 14 models support a dual SIM combo of one nano-SIM and one eSIM, and are also capable of supporting dual eSIM combos. However, M1 is the only telco to support eSIM on the iPhone in Singapore.