Data roaming: check the line before switching
On a phone with several lines, similar switches may apply to different connections. Before changing data roaming, check the line's name first.
Key points
- Configure travel eSIM roaming according to its order instructions.
- Your home carrier determines the conditions for using the home line abroad.
Identify the relevant line
Check which profile belongs to the travel eSIM and select it deliberately. Clear labels help, but still check the screen before making a change. Compare menu names and multiple-line behaviour with your phone's official documentation.
Follow the travel package's conditions
If the order instructions require data roaming, follow that direction on the relevant line at the specified time. Do not replace it with general advice to enable roaming everywhere. Some steps also depend on the package's status and your current country.
Check the home number separately
Clarify your home carrier's call, message and data conditions. Disabling data roaming does not mean all other home-line services abroad are free. Also check data line selection and the availability of automatic switching before considering setup complete.
Data roaming follows the purpose of a particular line and its service conditions. Checking the profile name before switching helps avoid unnecessary use of the home connection.
Sources and further reading
- Using Dual SIM with an eSIM · Apple Support
- How to use dual SIMs on your Google Pixel phone · Google Pixel Help
