WhatsApp not working on your travel eSIM?
Which settings fix WhatsApp on a travel eSIM, why photos stop loading and calls drop, and why a data-only plan cannot receive the verification code.
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Travel eSIM
Does the iPhone 18 Pro have a SIM tray?
The iPhone 18 Pro has no SIM tray in the US, Canada, Mexico, Japan and the Gulf, and the iPhone Duo and Air have none anywhere. Which iPhones still do.
· Laos
eSIM for Laos in 2026: which plan do you need?
The Laos-China Railway makes moving between towns easier, but tickets and maps still depend on your phone. Atli uses ETL on LTE.
· Cambodia
eSIM for Cambodia in 2026: buy the regional plan instead
Atli's Asia regional plan costs less than the Cambodia plan on every row. Here is the comparison, the Metfone network, and the Bangkok border trap.
eSIM for the Philippines in 2026: Globe 5G from $3.99
Island-hopping in the Philippines means checking flights, ferries and port changes on the move. Atli runs on Globe with 5G.
· Austria
eSIM for Austria in 2026: plans, 5G and setup
Austria fits one data plan, but the local and 34-country Europe options suit different trips. Atli uses Drei and Magenta with 5G where available.
eSIM for South Korea in 2026: plans, 5G and setup
Google Maps still does not provide normal walking directions in South Korea, so Naver Map matters. Atli runs on KT with 5G.
· Italy
eSIM for Italy in 2026: prices, networks and setup
Italy gets easier when train tickets and platform changes stay live on your phone. Atli connects through Iliad, TIM and WINDTRE.
eSIM for Singapore in 2026: StarHub 5G from $3.99
Singapore wants data before you have left Changi. Atli runs on StarHub with 5G, and its local fixed plans undercut the regional one at every size.
· Spain
eSIM for Spain in 2026: 5 GB at $6.99 on Orange or Movistar
Renfe tickets and timed museum slots make a working phone surprisingly central to a Spain trip. Atli uses Orange and Movistar with 5G.
· Iceland
eSIM for Iceland in 2026: prices, coverage and setup
On Iceland's Ring Road, an eSIM and offline maps belong together. Use mobile data for live road and weather updates, then let the downloads cover the gaps.
· Thailand
eSIM for Thailand in 2026: AIS 5G, plans from $3.99
Bangkok transit, Grab rides and island ferries all put your phone to work in Thailand. Atli connects through AIS with 5G.
· USA
eSIM for the USA in 2026: T-Mobile 5G, plans and setup
City rideshares and long highway stretches make very different demands on a US data plan. Atli runs on T-Mobile with 5G.
· Greece
eSIM for Greece in 2026: plans, 5G and setup
In Greece, ferry gate changes and island transfers are where mobile data earns its keep. Atli uses Nova and Vodafone; 5G depends on which network you get.
· Taiwan
eSIM for Taiwan in 2026: plans, 5G and setup
Taiwan puts rail tickets, YouBike rentals and night-market navigation on your phone all day. Atli uses Taiwan Mobile with 5G.
· Croatia
eSIM for Croatia in 2026: plans, 5G and setup
Atli works on A1 and Telemach in Croatia, but the Europe plan stops at some nearby borders. A Montenegro or Bosnia day trip needs its own data plan.
eSIM for the UAE in 2026: du 5G and app calling rules
The UAE regulates internet calling, so apps such as WhatsApp may not handle voice and video the way they do at home. Atli connects through du with 5G.
· Portugal
eSIM for Portugal in 2026: plans, 5G and setup
Portugal puts train tickets, Sintra schedules and ride-hailing on your phone all day. Atli uses NOS and Vodafone with 5G.
· Turkey
eSIM for Turkey in 2026: 5G on Türk Telekom from $3.99
Set up your Turkey data before you fly so maps and messages work on arrival. Atli connects through Türk Telekom with 5G.
· France
eSIM for France in 2026: prices, networks and setup
France is the easy part; the question is whether your trip stays there. Atli uses Orange and Free Mobile, plus a 34-country Europe plan for wider routes.
· Germany
eSIM for Germany in 2026: plans, 5G and setup
German train days are easier when DB Navigator keeps working between platforms. Atli uses O2 Telefónica, with LTE and 5G access depending on location.
eSIM for the Netherlands in 2026: plans, 5G and setup
Dutch train days are easier when NS platform changes reach you in real time. Atli uses KPN 5G and Vodafone LTE.
Can I use WhatsApp with a travel eSIM?
Yes, and your number does not change. WhatsApp is tied to the number you registered, not to the SIM supplying data. What to set up before you fly.
Regional eSIM plans explained
A regional eSIM keeps one plan working across several covered countries, which can be simpler than buying a new local plan every time you cross a border.
· Morocco
eSIM for Morocco in 2026: plans, coverage and setup
Medina alleys are easier when your map and messages stay live. Atli connects through Orange Maroc on LTE.
· Canada
eSIM for Canada in 2026: plans, networks and setup
Coverage vanishes on long Canadian highway stretches even when cities are well served. Atli uses Bell, SaskTel and TELUS; download maps before the Rockies.
· Mexico
eSIM for Mexico in 2026: plans, coverage and setup
Atli uses Telcel LTE in Mexico, with no 5G listed. Compare the North America regional option closely because the price gap changes by data size.
eSIM for Australia in 2026: plans, Optus and setup
Atli runs on Optus in Australia, so the main decision is how much data to buy before you arrive. Keep your home SIM active for calls and texts.
· Malaysia
eSIM for Malaysia in 2026: plans, 5G and setup
Landing at KLIA, data becomes useful before you have even left the airport. Atli runs on CelcomDigi with 5G, and the 20 GB regional plan is cheaper.
eSIM for the UK in 2026: plans, networks and setup
Train delays, Tube changes and walking directions keep your phone busy in the UK. Atli connects through EE, O2 and Three.
· Vietnam
eSIM for Vietnam in 2026: plans, coverage and setup
Grab rides and airport pickups make data useful the moment you arrive in Vietnam. Atli connects through Mobifone on LTE, with no 5G.
· Norway
eSIM for Norway in 2026: plans, 5G and setup
Norway's ferries and long road days make live route information useful well beyond Oslo. Atli uses Telenor and Telia with 5G.
eSIM for Hong Kong in 2026: plans, 5G and setup
Hong Kong puts maps, MTR exits and Octopus on your phone all day. Atli connects on 3 Hong Kong with 5G.
eSIM for Switzerland in 2026: Salt, Sunrise and 5G
Switzerland can catch EU roamers out because many home allowances stop at the border. Atli uses Salt and Sunrise with 5G.
· Bali
eSIM for Bali in 2026: prices, coverage and setup
Set up data before you arrive in Bali so Grab, Gojek and maps work when you leave Denpasar. Atli connects through Telkomsel and Indosat.
· Japan
eSIM for Japan in 2026: KDDI, LTE and 5G only
Japan's stations are easier when maps and train details stay live. Atli uses KDDI with LTE and 5G, while the Asia plan can be cheaper at some sizes.