eSIM glossary
Understand common eSIM, network, and mobile-data terms.
What is an APN?
An Access Point Name is a network setting used to establish a mobile-data connection. Some eSIMs configure it automatically; others require manual entry.
What is data roaming?
Data roaming allows a SIM or eSIM to connect through partner networks outside its home network. Travel eSIMs commonly require this setting.
What is a local IP eSIM?
A local IP eSIM uses an IP address associated with the destination or a local routing arrangement. Availability and behavior depend on the plan.
What is a Fair Usage Policy?
A Fair Usage Policy defines how speed or usage may change after a specified amount of data has been consumed.