द SONET जर्नल
Postmarks
Notes on travel, data, and saying it well. Thirty short lessons on eSIMs, thirty destination guides, and the tools in between.
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 मिनट पढ़ें · फ़र॰ 2026
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.
ऑफर · यूरोप में गर्मियों का आनंद लें
एक योजना, तीस देश, पछतावे से भरे गीतों की एक भी भटकती हुई कविता नहीं।
यूरोप का क्षेत्रीय ई-सिम। एक बार इंस्टॉल करें, बिना किसी झंझट के सीमाओं को पार करें।
नवीनतम पाठ
ईएसआईएम शिक्षा · 30 विषय →
संख्या 30 · CHECKLISTS
The travel-day checklist
संख्या 29 · INSTALLATION
After the trip: should you delete your eSIM?
संख्या 28 · DEVICES
eSIM for tablets and smartwatches
संख्या 27 · DEVICES
Unlocked vs carrier-locked phones
संख्या 26 · DEVICES
Battery myths, tested
औजार
क्या आपके फोन में ई-सिम लग सकती है?
दो सवाल, एक सीधा-सादा जवाब।
मेरा फ़ोन चेक करेंपोस्टकार्ड · मासिक
महीने में एक पत्र। कोई स्पैम नहीं, केवल कविता के अंश।
संपूर्ण अनुक्रमणिका
30 पाठ · 30 गंतव्य · 3 उपकरण
I. शिक्षा पाठ्यक्रम
What is an eSIM? A plain-language guideसंख्या 02
eSIM vs physical SIM: what actually changesसंख्या 03
Is your phone eSIM compatible? The full listसंख्या 04How to install an eSIM in two minutesसंख्या 05
Activate before you fly: the pre-flight ritualसंख्या 06
Data roaming explained (and why it costs so much)संख्या 07
How much data do you need for a week abroad?संख्या 08
Keep your number, carry our dataसंख्या 09
Dual SIM done right: home line plus travel dataसंख्या 10
What happens when your plan runs outसंख्या 11
Topping up abroad without tearsसंख्या 12
eSIM on iPhone: step by stepसंख्या 13
eSIM on Android: step by stepसंख्या 14
QR code vs one-tap installसंख्या 15
APN settings, demystified
Why your eSIM shows "No service" (and how to fix it)संख्या 17
Hotspots and tethering on a travel eSIMसंख्या 18
eSIM security: is it safer than plastic?संख्या 19
WhatsApp, iMessage and your eSIMसंख्या 20
Country vs regional vs global plansसंख्या 21
Two countries, one trip, one eSIMसंख्या 22
eSIM on cruises and ferriesसंख्या 23
In-flight data: myths at 30,000 feetसंख्या 24
Business travel: receipts, VAT and expensesसंख्या 25
How eSIMs actually work: the tech behind the tapसंख्या 26Battery myths, testedसंख्या 27Unlocked vs carrier-locked phonesसंख्या 28eSIM for tablets and smartwatchesसंख्या 29After the trip: should you delete your eSIM?संख्या 30The travel-day checklistII. तीस गंतव्य
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. उपकरण