Planning and setup
How much data you need, how to install an eSIM, roaming costs and other practical guides for travelling in Europe.
3 guides
- Planning and setup
How Much Data Do I Need for a Trip to Europe? (Calculator)
Work out how much mobile data you need for your Europe trip. Use our calculator with real usage figures for maps, social media, video calls and streaming.
- Planning and setup
How to Install and Activate a Travel eSIM (iPhone and Android)
Step-by-step guide to installing a travel eSIM on iPhone and Android before your trip to Europe, turning on data roaming and fixing the most common problems.
- Planning and setup
UK Roaming Charges in Europe 2026 (EE, Vodafone, Three, O2)
What EE, Vodafone, Three and O2 charge for using your phone in the EU in 2026, and when a travel eSIM is cheaper for a holiday in Europe.
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