
What Is an eSIM? How It Works, Pros and Cons, and Which Phones Have It
What an eSIM is, how it works, where it beats a physical SIM and where it doesn't, which iPhones, Pixels and Galaxy phones support it, and what it costs (as of Nov 6, 2026).
Sometimes, you need a good old-fashioned SIM card. Whether you want a local number or prefer a traditional setup, travel SIMs can keep you connected wherever you go. Discover your options and choose the best one for your next adventure.

What an eSIM is, how it works, where it beats a physical SIM and where it doesn't, which iPhones, Pixels and Galaxy phones support it, and what it costs (as of Nov 6, 2026).

Airalo sells fixed data packs and unlimited plans, Holafly mainly unlimited data by the day. Prices for Turkey, the USA and Thailand, fair use, hotspot and Trustpilot scores compared (as of Nov 6, 2026).

Russia blocks mobile data and SMS on foreign SIMs and eSIMs for 24 hours after entry. How the captcha unlock works, what shutdowns and white lists mean for travelers, local SIM rules and eSIMFOX Russia prices (as of November 6, 2026).

The best eSIM for Tunisia, Ooredoo's Holiday SIM for tourists, the passport rule for local SIMs and what to expect at Tunis-Carthage and Djerba, with eSIMFOX prices from €1.99 (as of Nov 6, 2026).

The best eSIM for India, what foreigners need for an Indian SIM card (passport, visa, local reference, verification call), Airtel at Mumbai airport, and when the Asia & Oceania eSIM is cheaper. Prices checked November 6, 2026.

The best eSIM for Taiwan, what unlimited tourist SIMs from Chunghwa Telecom, Taiwan Mobile and FarEasTone cost, which IDs you need at Taoyuan Airport, and why our Asia & Oceania eSIM is cheaper than our Taiwan eSIM from 3 GB up (as of November 6, 2026).

The best eSIM for Hong Kong, what the csl Discover Hong Kong Tourist SIM costs, how real-name SIM registration works for visitors, and which eSIMFOX eSIM covers Macau and mainland China too (as of November 6, 2026).

Do you need a UK SIM card? eSIMFOX UK and Europe eSIM prices vs Three, Vodafone and O2 pay-as-you-go plans, the £20 ETA, 3G switch-off, data for London and setup. Checked November 6, 2026.

EU phone plans work in Czechia at home prices, but US, UK and other visitors pay their carrier's roaming rates. Vodafone, O2 and T-Mobile prepaid offers, SIM cards at Prague airport, and eSIMFOX Czech Republic and Europe eSIM prices (as of November 6, 2026).

EU phone plans work in Ireland at home prices, but Northern Ireland is part of the UK and UK, US and other visitors pay their carrier's rates. When an eSIM makes sense, eSIMFOX Ireland and Europe prices, Three tourist SIMs and the ferry roaming trap (as of November 6, 2026).

The best eSIM for Malaysia, what the Hotlink, CelcomDigi and U Mobile tourist SIMs cost, the passport rules and where to buy a SIM at KLIA, with eSIMFOX prices from €1.99 (as of Nov 6, 2026).

The best eSIM for New Zealand, what the One NZ, Spark and 2degrees travel SIMs offer visitors, where to buy them at the airport and what works for a working holiday, with eSIMFOX prices from €1.99 (as of Nov 6, 2026).