Travel Guide: Vietnam 2026

Internet & connectivity

Network: Good 4G (Viettel, Vinaphone) in cities and along the coast

Tourist SIMs are sold at the airport and in shops. An eSIM is more convenient — activate before arrival and stay connected instantly.

eSIM compatibility:4/5★★★★☆

Best areas

Connectivity tips

• ●Viettel offers the best rural and mountain coverage
• ●Free Wi-Fi is common in hotels, cafés and restaurants
• ●Download offline maps for Ha Long Bay and remote trekking areas

Best time to visit

November–April (dry season)

Getting around: Domestic flights, trains, buses and taxis (Grab) in cities