Your Galaxus Mobile CH Unlimited subscription includes 3 GB of data roaming per month for the EU/USA (Zone 1). The Galaxus Mobile Basic subscription does not include roaming. You can always keep track of your roaming costs via your cockpit.
You can find more information and details about our data packages here: Data packs
If you want to add more roaming data packages for abroad, you can do so in the cockpit. Click on yourself or the family member in the sidebar - scroll down and click on "Select data package."
You’ll find tips on how to avoid getting hit with high data roaming charges in this article.