Vietnam · Setup guide
How to set up a Vietnam eSIM.
Under 60 seconds. Works on every iPhone from XR onwards and every Android flagship from 2020 onwards. Profile routes through Viettel 4G + 5G.
- 01
Settings → Cellular → Add eSIM
Scan QR, label "Vietnam".
- 02
Data Roaming ON
Connects to Viettel on landing at HAN or SGN.
Vietnam-specific troubleshooting
Things that can go wrong in Vietnam.
- Ha Giang mountain passes are Viettel-only. Do not rely on backup carriers here.
- Ho Chi Minh City metro (opened 2024) has cellular coverage in stations.
- Sapa treks into Muong Hoa valley drop signal — bring offline maps.
Ready to buy
Plans for Vietnam.
From $3 for a short trip to unlimited monthly. All plans include hotspot tethering.