No Internet With Greece eSIM? Complete Troubleshooting Guide

If your Greece eSIM is installed but you have no internet, the issue is usually caused by a phone setting rather than the eSIM itself. Most no internet problems can be fixed by selecting the eSIM for mobile data, enabling Data Roaming, checking the APN and refreshing the network connection.

This guide is for travelers in Athens, Santorini, Mykonos, Crete, Rhodes, Corfu, Zakynthos, Paros, Naxos, Milos, Thessaloniki and across Greece who see signal but cannot open websites, use WhatsApp, load maps or access mobile data.

Quick answer: if your Greece eSIM has no internet, set Mobile Data to the Greece eSIM, turn Data Roaming ON for the eSIM, check APN data.esim, disable automatic data switching and restart your phone.

Why Your Greece eSIM Has No Internet

A Greece eSIM can be installed correctly but still not provide internet if the phone is not using the correct mobile data line. This is very common with dual-SIM phones because your device may still be trying to use your primary SIM for internet.

• The Greece eSIM is not selected for Mobile Data.
• Data Roaming is turned off for the eSIM.
• The APN is missing or incorrect.
• Automatic data switching is using the wrong SIM.
• The phone has not registered on the local network yet.
• You are on a ferry or in an area with weak signal.
• The eSIM was deleted or not fully installed.

Step 1: Confirm You Are in Greece

Most Greece travel eSIMs only connect after arrival in Greece. If you installed the eSIM before departure and you are still in another country, it may show no signal or no data. This can be normal.

After you arrive in Greece, turn on the eSIM and give your phone a few minutes to connect to a supported local network.

Step 2: Turn On the Greece eSIM

Make sure the eSIM line is enabled in your phone settings.

On iPhone

1. Open Settings.
2. Tap Cellular or Mobile Service.
3. Select your Greece eSIM.
4. Turn the line ON.

On Android

1. Open Settings.
2. Go to Network & Internet, Connections or Mobile Network.
3. Open SIMs or SIM Manager.
4. Enable your Greece eSIM.

Step 3: Select the Greece eSIM for Mobile Data

This is the most important step. If mobile data is still assigned to your primary SIM, your Greece eSIM may show signal but no internet.

Setting	Correct Value
Mobile Data	Greece eSIM
Calls	Primary SIM if needed
SMS	Primary SIM if needed
Automatic Data Switching	OFF

Step 4: Enable Data Roaming for the Greece eSIM

For travel eSIMs, Data Roaming must usually be enabled. This allows your eSIM to connect to the supported local partner network in Greece.

Important: turn Data Roaming ON for the Greece eSIM, but keep Data Roaming OFF on your primary SIM if you want to avoid roaming charges from your home provider.

Step 5: Check the APN

If your phone has signal but no internet, the APN may need to be set manually.

APN Setting	Value
APN	data.esim
Username	Leave empty
Password	Leave empty

How to Set APN on iPhone

1. Open Settings.
2. Go to Cellular or Mobile Service.
3. Select your Greece eSIM.
4. Open Cellular Data Network if available.
5. Enter data.esim in the APN field.
6. Leave username and password empty.
7. Restart your iPhone.

How to Set APN on Android

1. Open Settings.
2. Go to Network & Internet, Connections or Mobile Network.
3. Select your Greece eSIM.
4. Open Access Point Names or APN.
5. Create or edit the APN.
6. Enter data.esim.
7. Leave username and password empty.
8. Save the APN and select it.
9. Restart your phone.

Step 6: Use Airplane Mode for 30 Seconds

Airplane Mode refreshes the mobile connection and helps your phone reconnect to the network.

1. Turn Airplane Mode ON.
2. Wait 30 seconds.
3. Turn Airplane Mode OFF.
4. Wait one or two minutes for the phone to reconnect.

Step 7: Restart Your Phone

If your Greece eSIM still has no internet, restart your phone. This often fixes temporary registration issues, especially after landing, changing islands or switching networks.

Recommended Greece eSIM Settings

Setting	Recommended Value
Mobile Data	Greece eSIM
Data Roaming	ON for the eSIM
APN	data.esim
Primary SIM	Calls and SMS if needed
Primary SIM Data Roaming	OFF
Automatic Data Switching	OFF
Network Selection	Automatic

No Internet on iPhone With Greece eSIM

If you are using iPhone, check these settings first:

• Greece eSIM is turned on.
• Mobile Data is set to the Greece eSIM.
• Data Roaming is ON for the Greece eSIM.
• Allow Cellular Data Switching is OFF.
• APN is data.esim if manual APN is available.
• Primary SIM roaming is OFF.

No Internet on Android With Greece eSIM

If you are using Android, check these settings first:

• Greece eSIM is enabled in SIM Manager.
• Mobile Data is assigned to the Greece eSIM.
• Data Roaming is enabled for the eSIM.
• APN is set to data.esim.
• Automatic data switching is disabled if available.
• The saved APN is selected.

Signal but No Internet

If your phone shows signal bars but websites and apps do not load, the most likely causes are mobile data selection, roaming or APN.

• Select the Greece eSIM for Mobile Data.
• Enable Data Roaming for the eSIM.
• Set APN to data.esim.
• Restart the device.
• Use Airplane Mode for 30 seconds.

No Internet on Greek Ferries

If your Greece eSIM stops working on a ferry, this may be normal. Mobile networks work best near land. During longer ferry crossings, your phone may lose signal when the ferry is far from the coast.

Internet usually returns automatically when the ferry approaches another island or the mainland.

No Internet in Hotels or Indoors

Some hotels, apartments and older buildings can weaken mobile signal because of thick walls or indoor location. Try moving closer to a window or going outside before testing your connection again.

No Internet in Remote Areas

Remote beaches, mountain villages and rural roads may have weaker mobile signal. This does not always mean your eSIM is not working. Move to an open area or wait until you are closer to a town, port or main road.

Common Mistakes That Cause No Internet

• Forgetting to turn on Data Roaming for the eSIM.
• Leaving Mobile Data assigned to the primary SIM.
• Keeping automatic data switching enabled.
• Using the wrong APN.
• Deleting the eSIM after installation.
• Trying to reinstall the same QR code.
• Testing mobile data before arriving in Greece.
• Expecting mobile data in the middle of the sea.

What to Send Support If It Still Does Not Work

If you have completed all steps and still have no internet, contact support with clear information. This helps the issue get checked faster.

• Your order number.
• Your phone model.
• Your current location in Greece.
• Screenshot showing the selected Mobile Data line.
• Screenshot of Data Roaming settings.
• Screenshot of APN settings.
• Screenshot showing signal or error message.

Related Greece eSIM Guides

• eSIM Not Working Greece
• APN Settings Greece eSIM
• Why Is My eSIM Slow in Greece?
• How to Use eSIM in Greece
• How to Activate Greece eSIM
• Install Greece eSIM
• Greece eSIM iPhone
• Greece eSIM Android
• Greece eSIM

FAQ: No Internet Greece eSIM

Why does my Greece eSIM have no internet?

The most common reasons are Data Roaming being off, Mobile Data assigned to the wrong SIM, incorrect APN settings or temporary network registration after arrival.

What APN should I use for Greece eSIM?

If manual APN settings are required, use APN data.esim. Leave username and password empty.

Should Data Roaming be on?

Yes. Data Roaming should be ON for the Greece eSIM. Keep roaming OFF on your primary SIM if you want to avoid roaming charges.

Why do I have signal but no mobile data?

This usually means your phone is not using the Greece eSIM for Mobile Data, Data Roaming is disabled or the APN is incorrect.

Will Airplane Mode help?

Yes. Turning Airplane Mode on for 30 seconds and then off can force your phone to reconnect to the mobile network.

Why does my eSIM not work on ferries?

Mobile signal may disappear when ferries are far from land. This is normal and usually resolves when the ferry approaches an island or the mainland.

Can I delete and reinstall my eSIM?

No. Do not delete your eSIM before your trip ends. Many travel eSIM QR codes can only be installed once.

Final Recommendation

If your Greece eSIM has no internet, first check the basics: select the Greece eSIM for Mobile Data, enable Data Roaming, set APN to data.esim, disable automatic data switching and restart your phone.

These steps fix most no internet issues in Greece and help you get connected for maps, WhatsApp, hotel check-ins, ferries, taxis and travel apps.

Browse Greece eSIM plans here.