APN Settings Singapore eSIM (2026 Setup Guide)

If your Singapore eSIM is installed but mobile internet is not working correctly, APN settings may be one of the first things to check.

Most travel eSIMs automatically configure APN settings during installation. However, in some situations manual APN configuration may be necessary to restore connectivity.

Quick answer: For NoveSIM Singapore eSIM plans, the APN should be set to data.esim. Username and password should remain blank unless specifically instructed otherwise.

What Is an APN?

APN stands for Access Point Name.

It tells your phone how to connect to the mobile data network.

If the APN is missing or incorrect, your phone may show signal bars but websites, apps, Google Maps, Grab, WhatsApp, and other services may not load.

Typical symptoms of an APN issue include:

• Signal but no internet
• Very slow mobile data
• Apps not loading
• Google Maps not working
• Grab not connecting
• WhatsApp messages not sending
• Web pages timing out

NoveSIM Singapore eSIM APN Settings

Setting	Value
APN	data.esim
Username	Leave blank
Password	Leave blank
Proxy	Leave blank
Port	Leave blank
MMSC	Leave blank
MMS Proxy	Leave blank
MMS Port	Leave blank

Do You Always Need to Enter APN Settings?

No.

Most modern smartphones automatically configure APN settings when the eSIM profile is installed.

In many cases you will never need to edit APN settings manually.

Manual APN configuration is usually only required when:

• Signal exists but internet does not work
• Mobile data is unstable
• The APN field is empty
• The APN is incorrect
• Internet works intermittently
• A previous profile created conflicting settings

Before Editing APN Settings

Before changing APN settings, verify the following:

1. The Singapore eSIM is installed.
2. The Singapore eSIM is turned on.
3. The Singapore eSIM is selected for mobile data.
4. Data roaming is enabled on the eSIM line.
5. Airplane mode has been refreshed.
6. Your phone has been restarted.

Many connection problems are caused by data selection or roaming settings rather than APN configuration.

How to Find APN Settings on iPhone

Some iPhone models allow APN editing while others receive APN settings automatically from the eSIM profile.

1. Open Settings.
2. Go to Mobile Service or Cellular.
3. Select your Singapore eSIM.
4. Open Mobile Data Network if available.
5. Check the APN field.

If APN editing is not available, your iPhone may configure APN settings automatically.

How to Find APN Settings on Samsung

1. Open Settings.
2. Go to Connections.
3. Select Mobile Networks.
4. Tap Access Point Names.
5. Select the Singapore eSIM profile.
6. Check the APN value.

How to Find APN Settings on Android

Android menus vary by manufacturer.

Typical steps are:

1. Open Settings.
2. Go to Network & Internet.
3. Select Mobile Network.
4. Choose the Singapore eSIM.
5. Open Access Point Names.
6. Verify the APN field.

How to Create a New APN

If no APN exists, you may need to create one manually.

1. Open APN settings.
2. Tap Add or Create New APN.
3. Enter the APN value.
4. Leave all other fields blank unless instructed.
5. Save the APN.
6. Select the new APN profile.
7. Restart the phone.

Correct APN Configuration

Field	Value
Name	NoveSIM
APN	data.esim
Username	Blank
Password	Blank

Signal but No Internet in Singapore

If your phone shows signal bars but websites do not load, APN settings are one possible cause.

However, also check:

• Data roaming
• Mobile data selection
• VPN settings
• Network selection
• Airplane mode refresh
• Phone restart

APN is only one part of the troubleshooting process.

Data Roaming Must Be Enabled

Many travelers forget this step.

Most travel eSIM plans require data roaming to be enabled on the Singapore eSIM line.

This does not mean enabling roaming on your primary SIM card.

Enable data roaming only on the Singapore eSIM used for mobile data.

APN Settings at Changi Airport

Many travelers first notice connectivity issues after landing at Changi Airport.

If your eSIM does not connect:

1. Check mobile data selection.
2. Enable data roaming.
3. Refresh airplane mode.
4. Restart the phone.
5. Check APN settings if needed.
6. Disable VPN temporarily.

Most airport connectivity issues are resolved through these steps.

APN Settings for Google Maps

If Google Maps does not load despite having signal, APN settings may be contributing to the issue.

After confirming the correct APN, restart Maps and test route searches again.

APN Settings for Grab

Grab requires a stable mobile data connection.

If Grab does not load, verify:

• APN configuration
• Data roaming
• Mobile data selection
• Location permissions
• VPN settings

APN Settings for WhatsApp

WhatsApp generally works once mobile internet is functioning correctly.

If WhatsApp messages do not send:

• Test a website in your browser
• Check APN settings
• Check mobile data settings
• Disable VPN temporarily
• Restart WhatsApp

Can APN Cause Slow Internet?

Yes, in some situations.

An incorrect APN can cause:

• Slow page loading
• Apps timing out
• Partial connectivity
• Intermittent internet access
• Unstable network performance

However, slow internet may also result from network congestion, indoor signal conditions, hotspot use, or background downloads.

Can VPN Affect APN Performance?

VPN apps can sometimes create issues that look similar to APN problems.

If your eSIM appears slow or unstable:

• Disable VPN temporarily
• Disable Private DNS if configured
• Restart the phone
• Test connectivity again

Airplane Mode Refresh

After editing APN settings, always refresh the connection.

1. Turn airplane mode on.
2. Wait 30 seconds.
3. Turn airplane mode off.
4. Wait for reconnection.
5. Test mobile internet.

Restart After APN Changes

Many phones require a restart after APN modifications.

If you recently changed APN settings, restart the device before testing performance.

When APN Settings Are Not Editable

Some devices lock APN settings and automatically manage configuration through the eSIM profile.

If APN fields cannot be edited:

• Leave them unchanged
• Check roaming settings
• Check mobile data selection
• Restart the phone
• Disable VPN temporarily

Manual editing may not be required.

Can I Use My Home SIM Together with Singapore eSIM?

Yes.

Many dual SIM devices allow:

• Singapore eSIM for mobile data
• Primary SIM for calls
• SMS verification codes
• Banking messages
• Authentication apps

To avoid roaming charges, keep data roaming disabled on the primary SIM and enabled only on the Singapore eSIM line.

Where to Find Your NoveSIM eSIM Details

Your NoveSIM QR code, installation instructions, and eSIM details are available:

• In your confirmation email
• Under My Account → Orders → View → eSIM details

More Singapore Troubleshooting Guides

• eSIM Not Working Singapore
• Does My eSIM Work in Singapore?
• Why Is My eSIM Slow in Singapore?
• No Internet Singapore eSIM
• Does WhatsApp Work in Singapore?
• Best Network in Singapore for Tourists

More Singapore Internet Guides

• Singapore eSIM
• Best eSIM for Singapore
• Mobile Internet Singapore
• How to Get Internet in Singapore
• Local SIM vs eSIM Singapore
• Unlimited Data eSIM Singapore

FAQ: APN Settings Singapore eSIM

What APN should I use for NoveSIM Singapore eSIM?

Use APN data.esim. Leave username and password blank.

Do I always need to enter APN manually?

No. Most phones configure APN settings automatically during eSIM installation.

Can APN settings fix no internet problems?

Yes. Incorrect APN settings can cause signal without internet access.

Can APN settings affect speed?

Yes. Incorrect APN settings may cause unstable or slow connectivity.

Should I restart my phone after changing APN?

Yes. Restarting the phone helps apply APN changes properly.

Do I still need data roaming enabled?

Yes. Most travel eSIM plans require data roaming to be enabled on the Singapore eSIM line.

Final Recommendation

Most Singapore eSIM users never need to manually configure APN settings. However, if your phone has signal but no internet, checking the APN can be an important troubleshooting step.

For NoveSIM Singapore eSIM plans, use data.esim, leave all other fields blank, enable data roaming on the eSIM line, and restart your device after making changes.

View Singapore eSIM plans