Thailand has abundant free Wi-Fi and 5G reaching over 90% of the population. Even so, arriving without data is a mistake: airport Wi-Fi asks for your passport number, and the TDAC arrival card must be filed before immigration.
8/9/2026
Renting pocket Wi-Fi in Korea is not a decision about speed. It is a decision about sharing a single device across your whole trip, plus pickup and return. Add the fact that Korean map apps cannot be taken offline, and the trade-off becomes clear.
8/9/2026
Vietnam has plenty of free Wi-Fi and mobile speeds that rank among the fastest in the world. Yet travellers still get stuck, because of where Wi-Fi is missing and because undersea cable faults slow overseas services. Here is how it actually works.
8/9/2026
A Chinese local SIM requires your original passport and a live facial check, and it still leaves you inside the local network restrictions. Many "China SIM" products sold abroad are roaming SIMs from Hong Kong operators, which is a different thing entirely.
8/8/2026
Vietnam now verifies SIM subscribers with facial biometrics under rules effective April 2026, and passport holders are expected to register in person. Here is where to buy, how to choose between Viettel, Vinaphone and MobiFone, and what to check before you pay.
8/8/2026
ahamo works in mainland China with no application and no extra charge, and LINE and Google usually open because traffic routes through the home network. The real constraint is the 15-day rule, which drops you to 128kbps until you return to Japan.
8/8/2026
LINE works overseas with no setting changes, because it runs over the internet rather than the phone network. The exceptions are SMS verification for new sign-ups and mainland China, where it is blocked. Here are the data figures and what to prepare.
8/8/2026
You can buy a Korean SIM at the airport counter, in city shops, or order one before you fly. All three require a passport, and airport counters keep hours. Here is how each route works and when an eSIM wins.
8/8/2026
Download a map before you fly and Google Maps works without a connection. But transit directions, opening hours and reviews do not. Here is the exact line between what works offline and what still needs data.
8/8/2026
In Australia your device matters more than your plan. After the 2024 3G shutdown, phones without VoLTE are blocked and phones without Band 28 lose signal outside the cities. Here is what to check before you fly.
8/6/2026
South Korea has some of the widest public Wi-Fi coverage anywhere, yet verification walls and congestion mean you can be connected without being able to use it. Here is the reality on the subway and in cafes, and how to decide what connection to bring.
8/5/2026
A cellular model tablet connects to a mobile network on its own, without Wi-Fi. Here is how it differs from the Wi-Fi only version, when the price difference pays off, and what to check before putting a travel eSIM in one.
8/5/2026CORAL eSIM
For Global Travel
