✈️ Zwitchy journal

Travel guides

Connectivity tips, country deep-dives, and how to travel data-light.

eSIM says "No Service" abroad? How to fix it — How-to travel guide
How-to
eSIM says "No Service" abroad? How to fix it

Seeing "No Service" or "Forbidden" on a travel eSIM abroad? What it means, why it happens, and the fixes that actually work.

Aug 1, 2026 · 7 min readRead →
Pay as you go eSIM: one balance, every border — Tips travel guide
Tips
Pay as you go eSIM: one balance, every border

One eSIM, no plan to pick. Load credit and data comes off the balance by the megabyte, at a published local rate, in 180+ countries. How it works.

Jul 31, 2026 · 5 min readRead →
How much data does a day of travel actually use? — Tips travel guide
Tips
How much data does a day of travel actually use?

Maps, a translated menu, a taxi, photos home: a normal sightseeing day runs 150 to 300 MB. A breakdown of a real travel day, and what multiplies it.

Jul 31, 2026 · 4 min readRead →
Fixed plan or pay as you go: which travel eSIM saves you money? — Tips travel guide
Tips
Fixed plan or pay as you go: which travel eSIM saves you money?

A fixed bucket is cheaper per gigabyte; a metered balance only charges for what you use. The honest math on which one wins, trip by trip.

Jul 31, 2026 · 4 min readRead →
Why your travel data credit should never expire — Tips travel guide
Tips
Why your travel data credit should never expire

Most travel data dies with its validity window; unused gigabytes are money spent on nothing. What changes when the balance carries to your next trip.

Jul 31, 2026 · 4 min readRead →
Do you need a VPN with a travel eSIM? — Tips travel guide
Tips
Do you need a VPN with a travel eSIM?

Not for security, cellular data is already encrypted. Here's when a VPN still helps abroad, and how it affects your eSIM's speed and data use.

Jul 31, 2026 · 6 min readRead →
Best eSIM for French Guiana: coverage from Cayenne to the Amazon interior — Americas travel guide
Americas
Best eSIM for French Guiana: coverage from Cayenne to the Amazon interior

Three networks cover Cayenne, Kourou and the coast well; the Amazon interior does not. A realistic data budget, and the yellow fever check before you land.

Jul 31, 2026 · 6 min readRead →
Why did my unlimited eSIM data slow down? — How-to travel guide
How-to
Why did my unlimited eSIM data slow down?

Your unlimited eSIM slowing down mid-trip usually isn’t a fault. Here’s exactly when the daily high-speed allowance resets, and when it isn’t that.

Jul 30, 2026 · 6 min readRead →
Best eSIM for Oman: Muscat to the Wahiba Sands — Middle East travel guide
Middle East
Best eSIM for Oman: Muscat to the Wahiba Sands

Muscat and Salalah run fast networks, the desert and mountain interior much less so. What a travel eSIM gets you in Oman, and how much data a loop needs.

Jul 30, 2026 · 6 min readRead →
Best eSIM for Albania: coverage from Tirana to the Albanian Riviera — Europe travel guide
Europe
Best eSIM for Albania: coverage from Tirana to the Albanian Riviera

From Tirana's cafés to the turquoise coves of the Albanian Riviera and the mountains up north: which networks reach furthest and how much data to buy.

Jul 28, 2026 · 7 min readRead →
Data-only eSIM: what happens to calls, texts and your phone number — How-to travel guide
How-to
Data-only eSIM: what happens to calls, texts and your phone number

Your travel eSIM shows up with no phone number, and that's normal. Here's exactly what moves to the eSIM, what stays on your home SIM, and how hotspot fits in.

Jul 28, 2026 · 6 min readRead →
Best eSIM for Bolivia: coverage from La Paz to the Salar de Uyuni — Americas travel guide
Americas
Best eSIM for Bolivia: coverage from La Paz to the Salar de Uyuni

From La Paz's thin air to the salt flats of Uyuni and the Santa Cruz lowlands: which networks reach furthest, how much data to buy, and where signal stops.

Jul 27, 2026 · 6 min readRead →