Now you can get your esim online without going to the branch 

 Install iOS 15.2(or later) on  both the source & target devices.

         Sign-in with same iCloud account on both source & target devices.

           2-Factor authentication should be enabled on your iCloud account.
           “Find-my” is enabled on both source & target devices.

           Screen-lock is enabled on both source & target devices.

           All transfer/conversion should be done under Wi-Fi-internet mode.
           For Transfer, both the devices should be in active mode