What is eSIM (Embedded subscriber identity module )?

The embedded SIM is intended to remotely deal with numerous memberships network operator subscriptions and be compliant​ with GSMA’s Remote SIM Provisioning​. An eSIM can be provisioned remotely. The end-users can add or eliminate operators without the requirement of physically swapping a SIM from the mobile. An eSIM can manage various SIM profiles simultaneously, which can provide mobile access to numerous completely different carriers. But one SIM can be active at a time.