Glossary
eSIM
Definition
An eSIM is an embedded SIM profile downloaded over the air to a device, replacing the need for a physical card.
Why it matters
With an eSIM you still hold a SIM: mobile data plus a number, issued under whatever conditions the seller required. Anonymity is not built in, eSIM-capable hardware is needed, and a free profile slot must be available. A virtual number asks for only a browser.
Related reading
Sources
- ITU-T Recommendation E.212 — Mobile network identification · International Telecommunication UnionMobile country codes and network codes used to identify carriers
Part of the HushSMS glossary — 18 terms defined.