DZIENNIK 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.

Kategoria
Tematy
Typ
Vietnam by scooter and street stall

GUIDE · VIETNAM · OD 0,78 €

Vietnam by scooter and street stall

POLECANE · EDUKACJA 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.

CZAS CZYTANIA: 8 MIN · AKTUALIZACJA LUT 2026

Narzędzie · 2 MINUT

Sprawdzanie zgodności eSIM

Sprawdź mój telefon →

How to install an eSIM in two minutes

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.

CZAS CZYTANIA: 3 MIN · LUT 2026

Japan for the first time: a week that says it wellJapan · FROM 0,78 €

GUIDE · 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.

CZAS CZYTANIA: 12 MINZobacz plany Japan →

OFERTA · LATO W EUROPIE

Jeden plan, trzydzieści krajów, żadnych wędrujących sonetów żalu.

Regionalna karta eSIM dla Europy. Zainstaluj raz, przekraczaj granice swobodnie.

Przeglądaj plany europejskie

Najnowsze lekcje

Edukacja eSIM · 30 tematów →
The travel-day checklist

Nr 30 · CHECKLISTS

The travel-day checklist

6 MIN →
After the trip: should you delete your eSIM?

Nr 29 · INSTALLATION

After the trip: should you delete your eSIM?

4 MIN →
eSIM for tablets and smartwatches

Nr 28 · DEVICES

eSIM for tablets and smartwatches

5 MIN →
Unlocked vs carrier-locked phones

Nr 27 · DEVICES

Unlocked vs carrier-locked phones

5 MIN →
Battery myths, tested

Nr 26 · DEVICES

Battery myths, tested

5 MIN → Wszystkie 30 lekcji →

Narzędzie

Czy mój telefon obsługuje kartę eSIM?

Dwa pytania, prosta odpowiedź.

Sprawdź mój telefon

Pocztówka · miesięczna

Jeden list miesięcznie. Żadnego spamu, tylko zwrotki.

Przewodniki według celu podróży

30 destynacje · Wszystkie przewodniki →
Vietnam by scooter and street stall
Vietnam
FROM 0,78 €
California, honestly, and only California
United States
FROM 0,71 €
Bergen to Oslo, the honest cost of the view
Norway
FROM 0,55 €

Wszystkie przewodniki

30 miejsc docelowych →

Pełny indeks

30 lekcji · 30 miejsc docelowych · 3 narzędzi

I. Program nauczania

Nr 01What is an eSIM? A plain-language guideWhat is an eSIM? A plain-language guideNr 02eSIM vs physical SIM: what actually changeseSIM vs physical SIM: what actually changesNr 03Is your phone eSIM compatible? The full listIs your phone eSIM compatible? The full listNr 04How to install an eSIM in two minutesHow to install an eSIM in two minutesNr 05Activate before you fly: the pre-flight ritualActivate before you fly: the pre-flight ritualNr 06Data roaming explained (and why it costs so much)Data roaming explained (and why it costs so much)Nr 07How much data do you need for a week abroad?How much data do you need for a week abroad?Nr 08Keep your number, carry our dataKeep your number, carry our dataNr 09Dual SIM done right: home line plus travel dataDual SIM done right: home line plus travel dataNr 10What happens when your plan runs outWhat happens when your plan runs outNr 11Topping up abroad without tearsTopping up abroad without tearsNr 12eSIM on iPhone: step by stepeSIM on iPhone: step by stepNr 13eSIM on Android: step by stepeSIM on Android: step by stepNr 14QR code vs one-tap installQR code vs one-tap installNr 15APN settings, demystifiedAPN settings, demystified
Nr 16Why your eSIM shows "No service" (and how to fix it)Why your eSIM shows "No service" (and how to fix it)Nr 17Hotspots and tethering on a travel eSIMHotspots and tethering on a travel eSIMNr 18eSIM security: is it safer than plastic?eSIM security: is it safer than plastic?Nr 19WhatsApp, iMessage and your eSIMWhatsApp, iMessage and your eSIMNr 20Country vs regional vs global plansCountry vs regional vs global plansNr 21Two countries, one trip, one eSIMTwo countries, one trip, one eSIMNr 22eSIM on cruises and ferrieseSIM on cruises and ferriesNr 23In-flight data: myths at 30,000 feetIn-flight data: myths at 30,000 feetNr 24Business travel: receipts, VAT and expensesBusiness travel: receipts, VAT and expensesNr 25How eSIMs actually work: the tech behind the tapHow eSIMs actually work: the tech behind the tapNr 26Battery myths, testedBattery myths, testedNr 27Unlocked vs carrier-locked phonesUnlocked vs carrier-locked phonesNr 28eSIM for tablets and smartwatcheseSIM for tablets and smartwatchesNr 29After the trip: should you delete your eSIM?After the trip: should you delete your eSIM?Nr 30The travel-day checklistThe travel-day checklist

II. Trzydzieści destynacji

The east coast of Australia, and the distances nobody mentionsAustralia0,78 €Rio beyond Copacabana, and the city that cooks harderBrazil1,28 €Two cities and one very long drive: Canada, honestlyCanada1,12 €China, sorted before you landChina1,76 €Croatia's coast, one ferry at a timeCroatia0,55 €Cairo and the Nile, and how to haggle without the flinchEgypt0,80 €Paris beyond the postcard, and Burgundy afterFrance0,55 €Berlin, then the trains take overGermany0,55 €Greece, island by islandGreece0,57 €Iceland's ring road, and the week the weather decidesIceland0,64 €India's Golden Triangle, at your own speedIndia1,39 €Bali beyond the beach clubs, then the GilisIndonesia0,75 €
Wszystko 30, od A do Z →

III. Narzędzia

Sprawdzanie zgodności eSIM→
Kalkulator danych
Mapa zasięgu