Internet in Mumbai: eSIM & Connectivity Tips
eSIM from 1,50 USD · 100 MB. Networks: IDEA (4G), Vi India (4G), Vodafone (4G).
Connectivity in Mumbai
What you need to know: Dense city; 5G in newer suburbs; local train lines getting LTE in tunnels.
Known weak-signal spots in India
- Himalayan trekking routes (Leh-Ladakh, Himachal Pradesh).
- Remote Kerala backwater villages and boat routes
- Deep Rajasthan desert (beyond Sam Sand Dunes)
- Some Agra monument interiors and dense bazaar alleys
Apps you'll need
- Ride-hailing: Uber, Ola, Rapido (two-wheelers) — you need live data to book and track rides.
- Maps: Google Maps. 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 Mumbai (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.