eSIM permanently installed in the phone and cannot be taken out.
eSIM has the same functionality as a standard SIM.
eSIM already being used by Google and Apple in the Google Pixel 2, Google Pixel 2 XL, and Apple Watch,
eSIM will soon be used by other manufacturers in their smartphones as well.
eSIM comes in a 6 x 5 mm size and is put on the motherboard of the phone,
eSIM is smaller than the nano SIM.
Unlike conventional SIM, eSIM not necessary in various sizes.
There won't be a SIM slot issue.