THE SONET JOURNAL

Postmarks

Notes on travel, data, and saying it well. Thirty short lessons on eSIMs, thirty destination guides, and the tools in between.

Kategori
Konular
Tip
Vietnam by scooter and street stall

GUIDE · VIETNAM · €0,78'DAN ITIBAREN

Vietnam by scooter and street stall

ÖNE ÇIKANLAR · eSIM EĞİTİM

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 DAKİKA OKUMA SÜRESİ · GÜNCELLENDİ ŞUB 2026

Alet · 2 DAKİKA

eSIM uyumluluk denetleyicisi

Telefonumu kontrol et →

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.

3 DAKİKA OKUMA SÜRESİ · ŞUB 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.

12 DAKİKA OKUMA SÜRESİPlanlara bakın Japan →

TEKLİF · AVRUPA'DA YAZ

Tek plan, otuz ülke, sıfır pişmanlık dolu gezici sone.

Bölgesel Avrupa eSIM. Bir kez kurun, sınırları özgürce aşın.

Avrupa planlarına göz atın

Son dersler

eSIM eğitimi · 30 konu →
The travel-day checklist

No. 30 · CHECKLISTS

The travel-day checklist

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

No. 29 · INSTALLATION

After the trip: should you delete your eSIM?

4 DAKİKA →
eSIM for tablets and smartwatches

No. 28 · DEVICES

eSIM for tablets and smartwatches

5 DAKİKA →
Unlocked vs carrier-locked phones

No. 27 · DEVICES

Unlocked vs carrier-locked phones

5 DAKİKA →
Battery myths, tested

No. 26 · DEVICES

Battery myths, tested

5 DAKİKA → Tüm 30 dersler →

Alet

Telefonunuz eSIM'i destekliyor mu?

İki soru, basit bir cevap.

Telefonumu kontrol et

Kartpostal · aylık

Ayda bir mektup. Spam yok, sadece kıtalar.

Varış noktasına göre rehberler

30 destinasyonlar · Tüm rehberler →
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

Tüm kılavuzlar

30 varış noktaları →

Tam dizin

30 dersler · 30 destinasyonlar · 3 araçlar

I. Eğitim müfredatı

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

II. Otuz varış noktası

The east coast of Australia, and the distances nobody mentionsAustralia€0,78Rio beyond Copacabana, and the city that cooks harderBrazil€1,28Two cities and one very long drive: Canada, honestlyCanada€1,12China, sorted before you landChina€1,76Croatia's coast, one ferry at a timeCroatia€0,55Cairo and the Nile, and how to haggle without the flinchEgypt€0,80Paris beyond the postcard, and Burgundy afterFrance€0,55Berlin, then the trains take overGermany€0,55Greece, island by islandGreece€0,57Iceland's ring road, and the week the weather decidesIceland€0,64India's Golden Triangle, at your own speedIndia€1,39Bali beyond the beach clubs, then the GilisIndonesia€0,75
A'dan Z'ye tüm 30 →

III. Araçlar

eSIM uyumluluk denetleyicisi→
Veri hesaplayıcı
Kapsama haritası