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Notes on travel, data, and saying it well. Thirty short lessons on eSIMs, thirty destination guides, and the tools in between.
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ARTICLE · INSTALLATION
How to install an eSIM in two minutes
A step-by-step guide to installing an eSIM: what you need first, the actual install steps, and how to confirm it worked before you travel.
3 読了時間 · 2026年2月
Japan · FROM €0.78GUIDE · ASIA
Japan for the first time: a week that says it well
A first-timer's Japan itinerary built on restraint: three unhurried days in Tokyo, three in Kyoto, and a final day left open for Nara, Osaka or Kamakura.
12 読了時間Japanプランを見る →
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eSIM教育 · 30トピック →道具
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完全な索引
30 レッスン · 30 目的地 · 3 ツール
I. 教育カリキュラム
番号 01
What is an eSIM? A plain-language guide番号 02
eSIM vs physical SIM: what actually changes番号 03
Is your phone eSIM compatible? The full list番号 04How to install an eSIM in two minutes番号 05
Activate before you fly: the pre-flight ritual番号 06
Data roaming explained (and why it costs so much)番号 07
How much data do you need for a week abroad?番号 08
Keep your number, carry our data番号 09
Dual SIM done right: home line plus travel data番号 10
What happens when your plan runs out番号 11
Topping up abroad without tears番号 12
eSIM on iPhone: step by step番号 13
eSIM on Android: step by step番号 14
QR code vs one-tap install番号 15
APN settings, demystified
What is an eSIM? A plain-language guide番号 02eSIM vs physical SIM: what actually changes番号 03Is your phone eSIM compatible? The full list番号 04How to install an eSIM in two minutes番号 05Activate before you fly: the pre-flight ritual番号 06Data roaming explained (and why it costs so much)番号 07How much data do you need for a week abroad?番号 08Keep your number, carry our data番号 09Dual SIM done right: home line plus travel data番号 10What happens when your plan runs out番号 11Topping up abroad without tears番号 12eSIM on iPhone: step by step番号 13eSIM on Android: step by step番号 14QR code vs one-tap install番号 15APN settings, demystified番号 16
Why your eSIM shows "No service" (and how to fix it)番号 17
Hotspots and tethering on a travel eSIM番号 18
eSIM security: is it safer than plastic?番号 19
WhatsApp, iMessage and your eSIM番号 20
Country vs regional vs global plans番号 21
Two countries, one trip, one eSIM番号 22
eSIM on cruises and ferries番号 23
In-flight data: myths at 30,000 feet番号 24
Business travel: receipts, VAT and expenses番号 25
How eSIMs actually work: the tech behind the tap番号 26
Battery myths, tested番号 27
Unlocked vs carrier-locked phones番号 28
eSIM for tablets and smartwatches番号 29
After the trip: should you delete your eSIM?番号 30
The travel-day checklist
Why your eSIM shows "No service" (and how to fix it)番号 17Hotspots and tethering on a travel eSIM番号 18eSIM security: is it safer than plastic?番号 19WhatsApp, iMessage and your eSIM番号 20Country vs regional vs global plans番号 21Two countries, one trip, one eSIM番号 22eSIM on cruises and ferries番号 23In-flight data: myths at 30,000 feet番号 24Business travel: receipts, VAT and expenses番号 25How eSIMs actually work: the tech behind the tap番号 26Battery myths, tested番号 27Unlocked vs carrier-locked phones番号 28eSIM for tablets and smartwatches番号 29After the trip: should you delete your eSIM?番号 30The travel-day checklistII. 30の目的地
Australia€0.78
Brazil€1.28
Canada€1.12
China€1.76
Croatia€0.55
Egypt€0.80
France€0.55
Germany€0.55
Greece€0.57
Iceland€0.64
India€1.39
Indonesia€0.75III. ツール
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