For iPhone 13 and newer and Google Pixel 7 and newer, you can use Dual SIM with either two active eSIMs or a nano-SIM and an eSIM. iPhone 12 models, iPhone 11 models, iPhone XS, iPhone XS Max, and iPhone XR feature Dual SIM with a nano-SIM and an eSIM, but you can only have one eSIM active at a time.