When you are posted abroad from Japan, decide how to keep your Japanese number separately from when you can get a local line. Japan's number storage services stop calls and SMS, so move your verification codes first. Here is the order, from official sources.
9/25/2026
Internet in Hong Kong runs under a separate system from mainland China, but national security rules allow police to order content removed or blocked. Here is how free Wi-Fi.HK and airport Wi-Fi work, how fast connections are, and SIM registration rules.
9/25/2026
With two lines on an iPhone, both numbers can be on standby, but mobile data and calls still run one line at a time. Based on Apple's own support pages: supported models and eSIM limits, default and data lines, calls to your other number mid-call, and how iPhone picks a number per contact.
9/25/2026
Comparing pocket Wi-Fi and eSIM for the USA? Look past the daily rate first. Domestic flights, which US carrier the device connects to, and whether you road-trip in one car decide it. Here is what the FAA and FCC actually say.
9/25/2026
Measured data shows about one in five fixed-line tests in Bali falls below 25 Mbps, and around 40% of Wi-Fi connections still run on Wi-Fi 4. Using Ookla data and Indonesian customs guidance, here is how far you can rely on Wi-Fi in Bali and what to know about IMEI registration.
9/25/2026
Free Wi-Fi is available in Cambodian hotels, cafes and airports, but mobile data is faster and more reliable for travellers. Here are the measured speeds, what the airports officially say about Wi-Fi, and the passport and face scan checks for a local SIM or eSIM.
9/25/2026
Turkish rules require public Wi-Fi providers to identify users and keep connection logs for two years. Here is how to use Istanbul Airport's free Wi-Fi with a passport, the conditions for the city's İBB WiFi, real mobile speeds, and social media throttling.
9/25/2026
Free Wi-Fi was long scarce in Germany because hotspot owners could be held liable for what users did online. That rule was scrapped in 2017. Here is how to get online at Frankfurt and Munich airports, on ICE trains and in Berlin and Munich, using official sources.
9/24/2026
Buying a SIM card in Thailand now takes your original passport and a live face check. Here are the August 2025 rules, the 60-day limit on tourist SIMs, where to buy at Suvarnabhumi, how AIS, True and dtac differ, and why tourist SIMs cannot go in a router.
9/24/2026
An SM-DP+ address is the address of the server that delivers your eSIM. An eSIM QR code simply contains "LPA:1$SM-DP+ address$Matching ID", so you can type the same details by hand. Based on the GSMA specification and Apple, Samsung and Google instructions.
9/24/2026
Heathrow and Gatwick offer free Wi-Fi, but London Tube station Wi-Fi is built for UK mobile customers. 4G and 5G now reach many Tube tunnels, while on-board train Wi-Fi performed well just 1% of the time in Ofcom tests. Official sources, explained.
9/24/2026
In Spain, fixed fibre is about three times faster than mobile data. Here is how the free Aena airport Wi-Fi, PlayRenfe on AVE trains and Barcelona's city Wi-Fi actually work, plus the ID rule for local SIMs, based on official sources.
9/24/2026CORAL eSIM
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