Once installed and set up the e-sim was easy to use and functioned well. Areas for further attention was a. The set-up was not that easy and a confirmation email could be useful that it was set up correctly would assist. b. Daily Data usage could be made more easy to access c. A reminder was needed the day before that the esim was due to expire. ie It expired at 2pm in USA in the middle of a ling car trip when iphone maps were being used and so this was a surprise that the esim stopped working in the miiddle of a car journey! It should have kept going to midnight USA time not uk time