The process involves using multiple logical interfaces multiplexed on a single physical interface.
If we talk about iOS, the iPhone 13 series supports two eSIMs simultaneously.
However, it remains unclear how the company has implemented it.
Google patented Multiple Enabled Profiles technology in 2020.
It might be fantastic to adopt the new eSIM method and remove of SIM Cards slot in the future.
This feature will come with Android 13.
Unfortunately, there is no official launch date for Android 13, but it will this year.
