Du lịch thông minh hơn, luôn kết nối
Hướng dẫn eSIM, cẩm nang nhanh theo điểm đến và mẹo tiết kiệm data — để bạn có mạng ngay khi hạ cánh và không còn phải trả cước roaming quá đắt nữa.
Khắc phục sự cố
Phone Lost or Stolen Abroad: What Happens to Your eSIM
Losing a phone abroad is worse than losing it at home, because the phone is your map, your tickets and your connection. Here is the order to do things in, what a remote wipe does to your eSIM, and how to recover fastest.
eSIM APN Settings: What They Are and When You Actually Need to Touch Them
Most travel eSIMs configure themselves and you never see an APN. But when a connection registers on the network and still will not load anything, the APN is usually the culprit. Here is the plain-English explanation.
eSIM Installed but No Service Abroad? 12 Fixes, in Order
Your eSIM installed fine, you landed, and the status bar says "No Service". Nine times out of ten it is one of three settings. Here is the checklist to work through, fastest fix first.
eSIM QR Code Not Working? 9 Fixes That Actually Work
Scanned your eSIM QR code and nothing happened — or it says "Unable to Add"? Do not panic. These nine fixes solve almost every eSIM install and activation problem, in the order to try them.
7 eSIM Myths, Busted: Battery, Privacy, Security and More
Does an eSIM drain your battery? Can it be hacked or tracked? Is it hard to switch phones? We debunk the seven most common eSIM myths with straight, practical answers.
Can an Apple Watch or Smartwatch Use a Travel eSIM? The Honest Answer
Smartwatches use eSIM technology, but almost never travel eSIMs. Here is why, and what actually works for staying connected on your wrist abroad.
Does an eSIM Work on a Locked Phone? No — Here Is How to Check
A carrier-locked phone will refuse a travel eSIM. Here is how to tell in a minute whether yours is locked, and what to do about it before you travel.
Are eSIMs Safe? Security, Privacy and SIM-Swap Risk Explained
Can an eSIM be hacked, cloned or tracked? A straight look at eSIM security compared with physical SIM cards — including why eSIMs resist SIM-swap attacks better.
VoLTE and VoWiFi Explained: Why Your Calls May Not Work Abroad
3G networks are being switched off worldwide, and that breaks calling on some phones abroad. Here is what VoLTE and VoWiFi mean and how to check yours.
Why Is My eSIM So Slow? 7 Real Causes and Fixes
Connected but crawling? Slow eSIM data usually comes down to network selection, congestion or throttling — not the eSIM itself. Here is how to diagnose and fix it.