United Arab EmiratesAirports, malls and a very gettable local eSIM
UAE airports have solid public Wi-Fi that needs a one-time SMS/OTP to connect. In cities, cellular coverage is excellent on the major networks.
- Public Wi-Fi at airports and malls usually requires an OTP to a local number — a travel eSIM avoids the SMS hassle.
- Coverage in Dubai and Abu Dhabi is strong on Etisalat and du; signal in desert areas can drop away from highways.
- Visitors most often install a data-only eSIM for maps, ride-hailing (Careem/Uber) and instant translation.
Excellent coverageOTP-gated Wi-FiDesert gaps
TurkeyStrong 4G/5G almost everywhere — but SIM registration is a chore
Turkey has excellent mobile coverage across cities and the tourist coast. A plastic tourist SIM can require IMEI registration and identity paperwork; a travel eSIM avoids the queue.
- Coverage is strong in Istanbul, Antalya and coastal resorts; remote Anatolian roads can be patchy.
- Tourist SIM registration in a shop is time-consuming and costs more than a data-only eSIM.
- Ride-hailing and maps work well — most travellers rely on data far more than voice or SMS.
Strong 4G/5GNo SIM queueCoastal coverage
GermanyReliable networks, plenty of free Wi-Fi, and strict operators
Germany has dependable cellular coverage. Free Wi-Fi is available in most cafes and hotels, though verified mail (EAP-SIM or captive portals) is common.
- Coverage across major cities and the autobahn is very good.
- Some public Wi-Fi requires a phone number for the captive portal — handy to compare with a data-only eSIM.
- Deutsche Telekom, O2 and Vodafone all operate nationwide; rural Bavaria can have dead spots.
Very good coverageWide public Wi-FiRural dead spots
JapanRailway travel needs data, not plastic
Japan’s cellular networks are excellent. Travellers rely on data for train apps (Japan Travel / Google Maps), translation and tickets — a travel eSIM is a natural fit.
- Excellent 4G/5G coverage across the main islands, including the Shinkansen.
- Free Wi-Fi exists but often needs app sign-in or a Japanese number — data is far more convenient.
- Local tourist SIMs are available but a travel eSIM means no paper, no store queue and no registration.
Top-tier coverageApp-dependent travelNo registration
United KingdomNo roaming surprises within the plan — and good coverage
The UK has solid 4G/5G across cities and towns. Free Wi-Fi is common in cafes, transport hubs and stations.
- Coverage in London and metro areas is strong; Highlands and remote Wales can be spotty.
- Many high-street Wi-Fi networks use a phone-verification captive portal.
- A data-only eSIM keeps you independent of SIM registration and passport checks in-store.
Solid 4G/5GCommon free Wi-FiRemote gaps
ThailandCheap local SIMs, but an eSIM can be just as easy
Thailand’s coverage is good across cities, beaches and islands. Local tourist SIMs are famously cheap; a travel eSIM is the alternate no-queue route that works the moment you land.
- Coverage in Bangkok, Phuket, Chiang Mai and the islands is dependable.
- Island ferries and rural roads can go in and out of coverage.
- If you land late and want data immediately, an eSIM avoids hunting for an open SIM kiosk.
Good coverageCheap local SIMsIsland drops
