Will erasing my iPhone erase my eSIM?
Not necessarily! If you choose to erase all content from your iPhone, you will have the option to either erase your eSIM or keep it.
You will be able to select one of these options prior to a factory reset of the device.
If you plan to continue using your device after erasing it, select the option “keep eSIMs and erase data." This will ensure you retain your eSIM profiles.