eSIM Guides & Country Travel Guides

Everything we have written, in one place. Start with your destination — each country guide pulls together the entry rules, the itinerary articles and the connectivity options for that country. If you are after installation steps or want to work out how much data to buy, the tools are further down.

Country travel guides

Each page covers: how to get online in that country compared side by side, which eSIM plan fits, the entry filing steps, every article we have on that destination, and the questions people actually ask.

Japan Travel Guide

Visit Japan Web entry, itineraries and budgets, skiing and onsen, and how to choose between the Softbank and KDDI lines.

Korea Travel Guide

Seoul and Busan routing, the subway, winter destinations, K-ETA and the e-Arrival Card, and what an SKT line without throttling actually means.

China Travel Guide

Nine cities including Shanghai, Beijing and Chengdu, entry documents and Alipay setup, and a VPN-free eSIM that reaches Google and LINE directly.

Vietnam Travel Guide

The correct e-Visa then PAI order, north-to-south routing, and Viettel coverage that holds up all the way to Phu Quoc.

Thailand Travel Guide

⚠️ A Thailand eSIM installs only after you land. The TDAC arrival card, Bangkok and Chiang Mai planning, and how to get onto airport wifi.

Bali & Indonesia Travel Guide

All Indonesia, e-VOA and the tourist levy kept straight, island-hopping and Borobudur routes, and Telkomsel nationwide coverage.

Europe Travel Guide

Schengen EES biometrics are live and the UK ETA is mandatory. How to plan a multi-country route, with one card switching across 42 countries.

eSIM guides and tools

How to install an eSIM: illustrated guide

Separate walkthroughs for iPhone and Android, in English, Chinese, Korean and Japanese, with a screenshot at every step.

What is an eSIM?

How an eSIM differs from a physical SIM, roaming and pocket wifi — when to install it, and how much data to buy.

Does my phone support eSIM?

Dial *#06# and look for an EID. Pick your brand for the exact settings path, plus three caveats that catch people out.

Travel eSIM data calculator

Trip length plus how you actually use your phone, returning a figure with headroom rather than the bare minimum.

Entry requirements by country

Online arrival filings and e-visas for 11 countries in one table, each linking to the full step-by-step guide.

Prefer to browse everything

The guides above are curated entry points by destination. To start from the newest articles instead, go to eSIM Guides & Travel Tips, or open the sitemap for the full list.

If you are not sure your handset will work, or installation stalls halfway, message us on LINE at @peanutmo / WhatsApp +886-921-963-203. A screenshot of your *#06# result is the fastest way for us to answer.

Planning around the season

New Year's Eve Abroad: Connectivity for Tokyo, Seoul and Europe

New Year's Eve is the busiest hour of the year for a cell tower. What that actually feels like, and how to prepare.

Japan Ski Season: Resort Signal, Cold Battery and Offline Maps

Resort coverage, how fast a phone drains below freezing, and what to download before you drive.

Japan Autumn Leaves: Kyoto, Nikko and Hokkaido

Koyo season means crowds, and the mountains are not the city. How much data to budget.

Last updated: 2026-08-03

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