If you cannot connect to the local mobile Internet immediately, go over this checklist before you do anything else.
- Restart your device several times as soon as you arrive abroad.
- Try to establish the connection with the different local networks manually through your device settings. One network may provide a more stable connection than another.
- Check whether the option 'data roaming' is enabled in your device settings. This will usually be available in the 'Mobile networks' menu.
Check whether the settings of mobile Internet are still correct. You can double check on this page.