Yes. No need to delete your eSIM or install a new one.
How to top up:
- Open the Coral eSIM app or your account page and select your active eSIM
- Choose a top-up amount under "Top up"
- After payment, the data is added to your balance shortly
If you've run out of data abroad, connect to hotel or café Wi-Fi to complete the top-up. Check your balance in the app or account page.