Installing an India eSIM only takes a few minutes and is the easiest way to prepare your phone before traveling. Instead of searching for a local SIM card after landing, you can complete the installation at home while connected to WiFi and activate the eSIM once you arrive in India.
This guide explains the installation process for both iPhone and Android devices, along with the recommended settings for the best experience.
Quick answer: install your India eSIM before departure using the QR code you receive after purchase. After arriving in India, enable the eSIM, select it for Mobile Data and turn on Data Roaming.
Top India eSIMs
Before You Begin
Before installing your India eSIM, make sure:
- Your phone supports eSIM.
- Your device is carrier unlocked.
- You have a stable WiFi connection.
- Your battery is sufficiently charged.
- You have received your QR code.
Your QR code and installation instructions are sent instantly by email after purchase and are also available in your NoveSIM account.
How to Install an India eSIM on iPhone
- Connect your iPhone to WiFi.
- Open Settings → Cellular.
- Tap Add eSIM.
- Select Use QR Code.
- Scan your QR code.
- Wait while the eSIM downloads.
- Name the eSIM if desired.
- Keep it installed until your trip.
How to Install an India eSIM on Android
The menu names vary slightly between manufacturers, but the installation process is similar.
- Connect your Android phone to WiFi.
- Open Settings.
- Go to Network & Internet, Connections or SIM Manager.
- Select Add eSIM or Add Mobile Plan.
- Scan the QR code.
- Confirm installation.
- Leave the eSIM installed until arrival.
When Should You Activate the eSIM?
You should install the eSIM before departure but wait until you arrive in India before enabling it for mobile data.
After landing:
- Enable the India eSIM.
- Select it for Mobile Data.
- Turn on Data Roaming.
- Keep Network Selection on Automatic.
Your phone should connect to a supported local network within a few minutes.
Recommended Mobile Settings
| Setting | Recommended Value |
|---|---|
| India eSIM | Enabled |
| Mobile Data | India eSIM |
| Calls | Primary SIM |
| SMS | Primary SIM |
| Data Roaming (India eSIM) | ON |
| Data Roaming (Primary SIM) | OFF |
| Automatic Data Switching | OFF |
| Network Selection | Automatic |
| Preferred Network | 5G Auto or 4G/LTE |
| APN | data.esim if required |
India eSIM APN Settings
Most devices configure the APN automatically. If the phone connects to the network but mobile internet doesn’t work, enter these settings manually.
| Field | Value |
|---|---|
| Name | NoveSIM |
| APN | data.esim |
| Username | Leave blank |
| Password | Leave blank |
| Authentication | None |
Can You Keep Your Primary SIM?
Yes. Most modern Dual SIM smartphones allow you to keep your regular SIM active for calls, SMS and verification codes while using the India eSIM for mobile data.
To avoid roaming charges, disable Data Roaming on your primary SIM.
Does WhatsApp Work?
Yes. WhatsApp continues using your existing phone number while your India eSIM provides internet access.
Common Installation Mistakes
- Installing without WiFi.
- Deleting the eSIM after installation.
- Scanning the QR code multiple times.
- Leaving Mobile Data on the primary SIM.
- Forgetting to enable Data Roaming.
- Using a carrier-locked phone.
What If the eSIM Doesn’t Work?
- Confirm the eSIM is enabled.
- Select it for Mobile Data.
- Enable Data Roaming.
- Turn off Automatic Data Switching.
- Verify the APN is data.esim.
- Turn Airplane Mode on for 30 seconds.
- Restart your phone.
Do not delete the eSIM while troubleshooting because many QR codes can only be installed once.
Travel Tips
- Install your eSIM before departure.
- Keep your QR code until the trip ends.
- Download offline Google Maps.
- Carry a power bank.
- Use hotel WiFi for software updates.
- Disable roaming on your primary SIM.
- Monitor your mobile data usage.
Related India Guides
- India eSIM
- India eSIM for iPhone
- India eSIM for Android
- How to Activate an India eSIM
- India eSIM APN Settings
- India eSIM Not Working
FAQ
When should I install my India eSIM?
Install it before your trip while connected to WiFi. Activate it after arriving in India.
Can I install the eSIM more than once?
Many eSIM QR codes can only be scanned once, so avoid deleting the eSIM after installation.
Do I need WiFi to install an eSIM?
Yes. A stable WiFi connection is required during installation.
Will WhatsApp keep my number?
Yes. WhatsApp continues using your existing phone number.
What APN should I use?
If manual configuration is required, use data.esim.
Final Recommendation
Installing an India eSIM before departure is the easiest way to prepare for your trip. The process takes only a few minutes and allows you to connect almost immediately after arriving.
Keep the eSIM installed, enable it for Mobile Data once you land, turn on Data Roaming and use data.esim if manual APN configuration is needed.