Most travelers now choose between an international roaming add-on from their home carrier and an eSIM data plan bought for the destination. Both work well; the right choice depends on how much data you need and whether you need your usual number.
Check coverage in the specific regions you'll visit, particularly for rural and mountain travel where networks thin out.
What to check
- Confirm your phone supports eSIM if you plan to use one
- Download offline maps before you leave the hotel each day
- Keep your home number reachable if bookings are tied to it
- Watch background app data on metered plans
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