best dual SIM phones UK for travellers

Best Dual‑SIM Phones for Travellers in the UK (2025 Guide)

Why Dual‑SIM Is a Must for Travellers

If you travel frequently — whether around the UK or overseas — a dual‑SIM phone gives you flexibility, savings, and convenience. You can keep your UK SIM active for calls and data while using a local SIM abroad for cheaper data, better local rates, or both. In 2025, most travel‑friendly smartphones support dual SIM (nano-SIM + eSIM), making this setup easier than ever.

From my experience on business trips and holidays, having a dual‑SIM device saved me from constant roaming charges and let me stay reachable on my UK number while using fast local data.

What to Look for When Choosing a Dual‑SIM Travel Phone

  • eSIM support: Ideal for switching providers without swapping physical SIMs.
  • Network compatibility: Ensure the phone supports the mobile bands used in your travel destinations.
  • Battery life: Travelling means more use — GPS, maps, translation — so a good battery is essential.
  • Durability and build: A solid, well-built phone stands up to the rigours of travel.
  • Software updates: Phones with long-term update support (Android/iOS) mean better security when connected abroad.
  • Cost vs value: Look for a phone that balances price, travel features, and performance.

Top Dual‑SIM Phones for Travellers in the UK (2025)

Here are some of the best dual‑SIM smartphones to consider if you’re a traveller based in (or travelling from) the UK:

  • Google Pixel 8 / 8 Pro

    These phones support physical SIM + eSIM, and Google’s excellent software ensures reliable battery management, security updates, and roaming data handling. Great for travellers who want to switch local eSIM plans on the fly.

  • Samsung Galaxy S24 / S24+ / S24 Ultra

    Samsung’s top-tier phones now support dual‑SIM (nano + eSIM) and have very robust 5G band support, making them perfect for travel across Europe or further. Excellent cameras and long-term software updates make them a strong all-rounder.

  • OnePlus 12

    OnePlus typically offers dual SIM slots (or SIM + eSIM on some regions) and very fast charging. For travellers, its OxygenOS gives fluid performance, good battery life, and solid global roaming compatibility.

  • Xiaomi Redmi Note 13 Pro

    A more budget‑friendly option: dual physical SIM slots, a large battery, and enough processing power to handle map apps, translation, and video calling without breaking the bank.

  • iPhone 15 / 15 Pro

    These iPhones support dual eSIM (or one nano SIM + one eSIM, depending on model) in many regions, including the UK. For travellers, that means you can run your UK SIM and then take out a second eSIM for local data abroad — all without changing physical cards.

How to Use Dual SIM When Travelling

  1. Set up your UK SIM as your main line: In your phone’s SIM settings, designate your UK SIM for calls and SMS.
  2. Use eSIM or second SIM for roaming: When you arrive at your destination, activate a local SIM or eSIM plan for data and local calls.
  3. Switch between SIMs wisely: Use your UK SIM only when needed, and rely on the local SIM for data-heavy tasks.
  4. Monitor usage: Keep an eye on which SIM is being used for data, and check roaming status if the phone switches automatically.
  5. Use airplane mode + Wi‑Fi switching: When you're not using mobile data, turn off the SIM you don’t need to save battery.

Common Pitfalls to Avoid

  • eSIM compatibility: Not all countries or carriers support eSIM — check local provider coverage before relying solely on eSIM abroad.
  • High roaming data usage: Local data may seem cheap, but if you don’t limit background use, data costs can still spiral.
  • Incorrect SIM settings: Make sure your phone’s SIM settings are correct or you may receive voicemail or messages on the wrong SIM.
  • Battery drain: Dual-SIM and roaming can both heavily drain your battery — pack a good portable charger.

Why These Phones Make Sense for Travellers in the UK

As someone who’s hopped on trains, flown to Europe, and gone off-grid for work, I’ve realised that dual‑SIM is not a luxury — it’s a travel essential. These picks above give you reliability, flexibility, and compatibility. Whether you’re using a UK SIM or switching to a local plan abroad, you stay connected, avoid huge roaming bills, and retain your UK number at all times.

Related Topic Hubs

  • Connectivity & Network hub
  • Performance & System hub
  • Battery & Power hub

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