iOS:
- Navigate to "Settings."
- Select "Mobile/Cellular Data."
- Choose your eSIM under "Mobile/Cellular Data Plans."
- Tap on "Mobile/Cellular Data Network."
- Enter "drei.at" in the "Mobile/Cellular Data APN" field.
Android:
- Open "Settings."
- Proceed to "Network & Internet."
- Tap on "Mobile Networks."
- Select "Access Point Names."
- Input "drei.at" as the new APN setting.
(Note: It is okay to leave the other fields empty in both scenarios.)