ДНЕВНИК SONET
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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.
GUIDE
Vietnam by scooter and street stall
РЕКОМЕНДУЕМЫЕ · ОБРАЗОВАНИЕ ПО eSIM
What is an eSIM? A plain-language guide
No jargon. What an eSIM actually is, how it differs from a plastic SIM, and why travellers adopted it first. A plain guide before your next trip.
8 МИН ЧТЕНИЯ · ОБНОВЛЕНО ФЕВР. 2026 Г.
Инструмент · 2 МИНУТ
проверка совместимости eSIM
Проверить мой телефон →
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 МИН ЧТЕНИЯ · ФЕВР. 2026 Г.
JPGUIDE · 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.
ПРЕДЛОЖЕНИЕ · ЛЕТО В ЕВРОПЕ
Один план, тридцать стран, ни одного блуждающего сонета сожаления.
Региональная eSIM для Европы. Установите один раз и свободно перемещайтесь между странами.
Последние уроки
eSIM образование · 30 тем →Инструмент
Поддержит ли ваш телефон eSIM-карту?
Два вопроса, простой ответ.
Проверить мой телефонОткрытка · ежемесячно
Одно письмо в месяц. Никакого спама, только короткие сообщения.
Путеводители по направлениям
30 направлений · Все путеводители →Полный указатель
30 уроков · 30 направлений · 3 инструментов
I. Учебная программа
What is an eSIM? A plain-language guide№ 02
eSIM vs physical SIM: what actually changes№ 03
Is your phone eSIM compatible? The full list№ 04How to install an eSIM in two minutes№ 05
Activate before you fly: the pre-flight ritual№ 06
Data roaming explained (and why it costs so much)№ 07
How much data do you need for a week abroad?№ 08
Keep your number, carry our data№ 09
Dual SIM done right: home line plus travel data№ 10
What happens when your plan runs out№ 11
Topping up abroad without tears№ 12
eSIM on iPhone: step by step№ 13
eSIM on Android: step by step№ 14
QR code vs one-tap install№ 15
APN settings, demystified
Why your eSIM shows "No service" (and how to fix it)№ 17
Hotspots and tethering on a travel eSIM№ 18
eSIM security: is it safer than plastic?№ 19
WhatsApp, iMessage and your eSIM№ 20
Country vs regional vs global plans№ 21
Two countries, one trip, one eSIM№ 22
eSIM on cruises and ferries№ 23
In-flight data: myths at 30,000 feet№ 24
Business travel: receipts, VAT and expenses№ 25
How eSIMs actually work: the tech behind the tap№ 26
Battery myths, tested№ 27
Unlocked vs carrier-locked phones№ 28
eSIM for tablets and smartwatches№ 29
After the trip: should you delete your eSIM?№ 30
The travel-day checklistII. Тридцать направлений
Amsterdam by bike, and the day you leave it behind
Bali beyond the beach clubs, then the Gilis
Bangkok, then north to the mountains
Barcelona beyond the Ramblas
Bergen to Oslo, the honest cost of the view
Berlin, then the trains take over
Cairo and the Nile, and how to haggle without the flinch
California, honestly, and only California
China, sorted before you land
Croatia's coast, one ferry at a time
Dubai beyond the malls
Greece, island by islandIII. Инструменты