# esim

- [How is a travel eSIM different from a mobile plan?](/explained/esim/travel-esim-vs-mobile-plan)
- [Is an eSIM top-up the same as a renewal?](/explained/esim/top-up-vs-renewal)
- [Is installing an eSIM the same as activating a plan?](/explained/esim/installation-vs-activation)
- [What is an eSIM?](/explained/esim/what-is-an-esim)
- [What is mobile number porting?](/explained/esim/what-is-mobile-number-porting)
- [Why can eSIM usage updates be delayed?](/explained/esim/why-esim-usage-can-be-delayed)