Internet in Bandung: eSIM & Connectivity Tips
eSIM from 1,00 USD · 100 MB. Networks: Telkomsel (4G), Telkomsel (5G), XL (4G).
Connectivity in Bandung
What you need to know: Java highland city; good coverage in city, thinner on volcano day trips.
Known weak-signal spots in Indonesia
- Mount Agung and Rinjani volcano trek routes
- Boat crossings between Bali and Gili Islands
- Remote jungle areas in Borneo and Sumatra
- Labuan Bajo open sea and Komodo National Park waters
Apps you'll need
- Ride-hailing: Gojek, Grab — you need live data to book and track rides.
- Maps: Google Maps, Maps.me. Download offline maps for the area before leaving your hotel.
- Messaging: WhatsApp uses only ~30 MB/hr of active chat.
Practical tip
Indoor coverage in Bandung (shopping centres, old buildings, underground areas) is often weaker than outdoors. If you lose signal inside, step outside or connect to venue Wi-Fi. For day trips outside the city, download offline maps in advance and don't rely solely on mobile data.