No Internet on Your Sri Lanka eSIM? How to Fix It

If your Sri Lanka eSIM shows signal bars but websites, maps and messaging apps do not load, the phone has probably connected to a mobile network without completing the mobile data configuration.

This problem is usually caused by an incorrect Mobile Data line, disabled Data Roaming, a missing APN, automatic SIM switching or incomplete network registration. In most cases, you can restore the connection directly from the phone settings without deleting the eSIM.

Do not remove the eSIM while troubleshooting. Many travel eSIM QR codes are intended for one installation and may not work again after the profile has been deleted.

Quick answer: select the Sri Lanka eSIM for Mobile Data, enable Data Roaming on that line, disable automatic data switching, enter data.esim as the APN if required, turn Airplane Mode on for 30 seconds and restart the phone.

Why Does the eSIM Have Signal but No Internet?

Signal bars only confirm that the phone has registered with a mobile network. They do not always mean that mobile data is configured correctly.

You may see a local network name, 4G, LTE or 5G while apps remain offline. This usually means that one of the settings required for data access is missing or incorrect.

The most common causes are:

• The primary SIM is still selected for Mobile Data.
• Data Roaming is turned off on the travel eSIM.
• The APN is missing or incorrect.
• Automatic Data Switching is enabled.
• The phone has not completed network registration.
• The plan has expired or its data allowance has been used.
• The connection is temporarily affected by weak coverage or congestion.

Quick No-Internet Checklist

Setting	Correct Value
Sri Lanka eSIM	Enabled
Mobile Data	Sri Lanka eSIM
Data Roaming on Sri Lanka eSIM	On
Data Roaming on primary SIM	Off
Automatic Data Switching	Off
Network Selection	Automatic
Preferred Network Type	5G Auto or 4G/LTE
APN	data.esim

1. Confirm That the Sri Lanka eSIM Is Enabled

The profile may be installed but switched off. Open your SIM or Mobile Network settings and make sure the travel line is active.

On iPhone

1. Open Settings.
2. Select Cellular or Mobile Data.
3. Tap the Sri Lanka eSIM.
4. Enable Turn On This Line.

On Samsung

1. Open Settings.
2. Select Connections.
3. Tap SIM Manager.
4. Enable the Sri Lanka eSIM.

On Google Pixel and Other Android Phones

1. Open Settings.
2. Select Network and Internet, SIMs or Mobile Network.
3. Choose the Sri Lanka eSIM.
4. Enable Use SIM or the available line switch.

2. Select the Sri Lanka eSIM for Mobile Data

This is one of the most important checks. The travel eSIM can be enabled while the primary SIM remains selected for mobile internet.

If your home SIM is selected and its roaming is disabled, the phone may appear connected but remain offline.

On iPhone

1. Open Settings.
2. Select Cellular or Mobile Data.
3. Tap Cellular Data or Mobile Data.
4. Select the Sri Lanka eSIM.

On Android

1. Open SIM Manager, SIMs or Mobile Network.
2. Find Preferred SIMs or Mobile Data.
3. Select the Sri Lanka eSIM.

3. Turn On Data Roaming

A travel eSIM connects through a supported local partner network. The phone therefore treats the connection as roaming and requires Data Roaming to be enabled on the travel line.

Use this configuration:

• Data Roaming on Sri Lanka eSIM: On.
• Data Roaming on primary SIM: Off.
• Mobile Data: Sri Lanka eSIM.

Turning on roaming for the prepaid travel eSIM does not create separate charges beyond the selected plan. Roaming on your primary SIM may lead to charges from your home operator, so keep it disabled there.

4. Disable Automatic Data Switching

Automatic Data Switching allows the phone to use another SIM when the selected data line has a weak signal.

During international travel, this can cause the phone to switch back to the primary SIM. It may also make troubleshooting difficult because the active data line changes automatically.

The setting may be called:

• Allow Cellular Data Switching.
• Automatic Data Switching.
• Switch Mobile Data Automatically.
• Backup Data.
• Backup Calling.

Turn it off and keep the Sri Lanka eSIM selected for mobile data.

5. Check the Sri Lanka eSIM APN

If the phone has signal but no internet, the APN is one of the first settings to check.

APN Field	Value
Name	NoveSIM
APN	data.esim
Username	Leave blank
Password	Leave blank
Authentication	None or automatic

How to Check the APN on iPhone

1. Open Settings.
2. Select Cellular or Mobile Data.
3. Tap the Sri Lanka eSIM.
4. Open Cellular Data Network or Mobile Data Network.
5. Enter data.esim in the APN field.
6. Leave the username and password blank.

The APN menu may not appear on every iPhone. When it is unavailable, the APN is usually managed automatically by the profile.

How to Check the APN on Android

1. Open the Mobile Network settings.
2. Select the Sri Lanka eSIM.
3. Open Access Point Names.
4. Tap Add or the plus symbol if necessary.
5. Enter data.esim as the APN.
6. Leave the username and password blank.
7. Save the APN.
8. Select it as the active access point.

After saving the APN, restart the phone or use Airplane Mode for approximately 30 seconds.

Read our dedicated guide to Sri Lanka eSIM APN settings.

6. Turn Airplane Mode On for 30 Seconds

Airplane Mode disconnects the phone from the mobile network and forces a new registration attempt.

1. Turn Airplane Mode on.
2. Wait approximately 30 seconds.
3. Turn Airplane Mode off.
4. Wait several minutes for the network to reconnect.

Do not change other settings immediately. Give the device enough time to complete registration.

7. Restart the Phone

A restart refreshes mobile network services, the eSIM profile and APN configuration.

Restart the device after:

• Changing the APN.
• Enabling Data Roaming.
• Selecting the eSIM for Mobile Data.
• Changing the preferred network type.
• Testing manual network selection.

8. Keep Network Selection on Automatic

Automatic Network Selection is normally recommended because it allows the eSIM to connect to an available supported partner network.

On iPhone

1. Open Settings.
2. Select Cellular or Mobile Data.
3. Tap the Sri Lanka eSIM.
4. Select Network Selection.
5. Enable Automatic.

On Android

1. Open the settings for the Sri Lanka eSIM.
2. Select Network Operators or Network Selection.
3. Enable automatic selection.

Wait several minutes after changing the setting.

9. Test Manual Network Selection

If automatic registration does not restore internet access, you can test another network supported by the eSIM plan.

1. Open Network Selection or Network Operators.
2. Turn automatic selection off.
3. Wait for the available networks to appear.
4. Select a supported local network.
5. Wait several minutes for registration.
6. Test mobile data with WiFi turned off.

Return to automatic selection if the chosen network does not connect or remains unstable.

10. Switch Between 5G and 4G

A weak 5G connection can display signal while providing an unstable or unusable data session.

Switch temporarily to 4G or LTE when:

• Pages do not load on 5G.
• The connection repeatedly disconnects.
• The signal changes frequently.
• You are outside a major city.
• The battery drains unusually quickly.

A strong 4G connection is sufficient for maps, messaging, social media, bookings and most travel activities.

How to Test Whether Mobile Data Is Working

WiFi can hide whether the eSIM connection has been restored. Test mobile data separately.

1. Turn WiFi off.
2. Confirm that the Sri Lanka eSIM remains selected for Mobile Data.
3. Open a lightweight website.
4. Open Google Maps and search for a nearby location.
5. Send a text message through WhatsApp.

If these services work, the mobile connection is active.

What If There Is No Internet on iPhone?

Use the following iPhone checklist:

1. Open Settings and select Cellular or Mobile Data.
2. Confirm that the Sri Lanka eSIM is turned on.
3. Select it under Cellular Data.
4. Turn Data Roaming on for the eSIM.
5. Turn Allow Cellular Data Switching off.
6. Check the APN if the menu is available.
7. Keep Network Selection automatic.
8. Use Airplane Mode for 30 seconds.
9. Restart the iPhone.

Keep your existing number selected for calls, iMessage and FaceTime if you want to continue using your primary identity.

See our Sri Lanka eSIM for iPhone guide.

What If There Is No Internet on Samsung?

Use the following Samsung checklist:

1. Open Settings and select Connections.
2. Open SIM Manager.
3. Enable the Sri Lanka eSIM.
4. Select it for Mobile Data.
5. Open Mobile Networks.
6. Turn on Data Roaming for the travel eSIM.
7. Open Access Point Names.
8. Confirm that data.esim is selected.
9. Keep Network Operators automatic.
10. Restart the phone.

Disable Data Switching or Backup Calling when available.

What If There Is No Internet on Google Pixel?

1. Open Settings.
2. Select Network and Internet.
3. Tap SIMs.
4. Select the Sri Lanka eSIM.
5. Enable Use SIM.
6. Turn Roaming on.
7. Select the eSIM for Mobile Data.
8. Check the Access Point Names menu.
9. Use data.esim as the APN.
10. Restart the Pixel.

See our Sri Lanka eSIM for Android guide for additional Android instructions.

Check the Plan Validity and Remaining Data

The settings may be correct while the plan itself has expired or used its available data.

Check:

• The plan validity period.
• The activation or start date.
• The remaining fixed-data allowance.
• Whether a daily high-speed limit applies.
• Whether the plan includes Sri Lanka.

NoveSIM unlimited plans provide 1GB of high-speed data during each 24-hour period. After the daily allowance is used, the connection continues at a reduced speed until the allowance resets.

A reduced-speed connection may feel like no internet when opening heavy websites, streaming video or uploading large files. Test a lightweight webpage or text message before assuming that the data session has stopped completely.

Could Weak Coverage Cause the Problem?

Yes. Mobile coverage is generally strong in Colombo, Kandy, Galle and other populated destinations, but signal quality can vary in mountainous and rural areas.

Coverage may be weaker in:

• Remote parts of Ella and Nuwara Eliya.
• Mountain roads and railway tunnels.
• National parks and safari areas.
• Isolated beaches.
• Buildings with thick concrete walls.
• Dense forest or valleys.

Move outdoors, closer to a window or to a more open location before changing all of your settings.

Could the Phone Be Carrier-Locked?

A phone can support eSIM technology but remain restricted to the operator that originally sold it.

On iPhone:

1. Open Settings.
2. Select General.
3. Tap About.
4. Find Carrier Lock or Network Provider Lock.

The phone should display No SIM Restrictions.

Android lock status varies by manufacturer. Contact the original operator when you are unsure.

What If Mobile Data Worked and Then Stopped?

If the eSIM worked earlier, check whether one of these conditions changed:

• The primary SIM became selected for Mobile Data.
• Data Roaming was turned off.
• Automatic Data Switching became enabled.
• The phone moved to a weak-coverage area.
• The device connected to an unstable 5G signal.
• The fixed-data allowance was consumed.
• The daily high-speed allowance was reached.
• The plan validity period ended.

Repeat the quick checklist and restart the phone.

Should You Reset Network Settings?

Resetting network settings can sometimes solve persistent connection issues, but it should be used only after the standard troubleshooting steps.

A network reset may remove:

• Saved WiFi networks and passwords.
• Bluetooth connections.
• Custom APN settings.
• Mobile network preferences.

Do not reset the phone to factory settings and do not delete the eSIM. Contact support before performing major resets.

When Should You Contact Support?

Contact support when the eSIM remains offline after you have checked the Mobile Data line, Data Roaming, APN and network selection.

Send the following information:

• Your order number.
• Your phone make and model.
• Your current location in Sri Lanka.
• A screenshot of the SIM settings.
• A screenshot showing the selected Mobile Data line.
• A screenshot showing Data Roaming.
• A screenshot of the APN settings.
• The network name and signal status.

Do not publish or share the full eSIM QR code. Keep the profile installed while support investigates the issue.

Common Mistakes to Avoid

• Deleting the eSIM because there is no internet.
• Leaving the primary SIM selected for Mobile Data.
• Forgetting to turn on Data Roaming.
• Enabling roaming on the wrong SIM.
• Leaving Automatic Data Switching active.
• Entering the APN incorrectly.
• Testing mobile data while still connected to WiFi.
• Changing networks repeatedly without waiting.
• Assuming reduced speed means the eSIM has stopped working.

Related Sri Lanka Guides

• Sri Lanka eSIM Guide
• Sri Lanka eSIM Not Working
• Why Is My Sri Lanka eSIM Slow?
• Sri Lanka eSIM APN Settings
• How to Activate a Sri Lanka eSIM
• How to Use an eSIM in Sri Lanka
• Sri Lanka eSIM for iPhone
• Sri Lanka eSIM for Android

FAQ

Why does my Sri Lanka eSIM have signal but no internet?

The eSIM may not be selected for Mobile Data, Data Roaming may be disabled or the APN may be missing or incorrect.

What APN should I use?

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

Do I need Data Roaming enabled?

Yes. Enable Data Roaming on the travel eSIM because it connects through a supported local partner network.

Should I turn roaming on for my primary SIM?

No. Keep Data Roaming disabled on the primary SIM to reduce the risk of unexpected charges.

Why does 4G or 5G appear but nothing loads?

The phone may be registered with the network but missing the correct APN or Mobile Data configuration.

Should I delete and reinstall the eSIM?

No. Keep it installed while troubleshooting because many travel eSIM QR codes only support one installation.

Should I select a network manually?

Try manual selection only when automatic network registration does not work. Select only a network supported by the plan.

Should I use 4G instead of 5G?

Yes, when 5G is weak or unstable. A strong 4G connection may provide better real-world performance.

How do I test the eSIM without WiFi?

Turn WiFi off, confirm that the eSIM is selected for Mobile Data and open a lightweight website, Google Maps or WhatsApp.

Can low-speed data look like no internet?

Yes. After reaching a high-speed allowance, heavy websites and video services may load very slowly even though the connection remains active.

Can I keep my regular SIM active?

Yes. Keep it active for calls and SMS while using the Sri Lanka eSIM for Mobile Data.

What should I send to support?

Send your order number, phone model, current location and screenshots of the SIM, Mobile Data, roaming and APN settings.

Final Recommendation

If your Sri Lanka eSIM has signal but no internet, keep the profile installed and check the settings in the correct order. Select the eSIM for Mobile Data, enable Data Roaming and disable automatic data switching.

Confirm that the APN is data.esim, keep Network Selection on Automatic and use Airplane Mode for approximately 30 seconds before restarting the phone.

Test mobile data with WiFi turned off. If the problem continues, collect screenshots of the relevant settings and contact support without deleting the eSIM.

Browse Sri Lanka eSIM plans here.