Important: The networks available to your eSIM depend on the particular travel plan and destination. Not every network shown by your phone will work with your eSIM.

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Before manually selecting a network

Before changing network settings, check the basics first.

1. Make sure your travel eSIM is turned on 🔛

Your travel eSIM needs to be enabled.

On iPhone:

Settings → Mobile Service / Cellular → select your travel eSIM → Turn On This Line

On Android, the wording varies between manufacturers, but look for:

Settings → Network & Internet / Connections → SIMs / SIM Manager → select your travel eSIM

Make sure the eSIM is enabled.

2. Make sure Data Roaming is ON 🔛

Travel eSIMs commonly require Data Roaming to be enabled.

This does not mean you are being charged roaming fees by your Australian mobile provider. It allows the travel eSIM to connect to partner networks overseas.

On iPhone:

Settings → Mobile Service / Cellular → your travel eSIM → Data Roaming → ON

On Android:

Settings → Network & Internet / Connections → SIMs / SIM Manager → your travel eSIM → Roaming → ON

The exact wording and location can vary depending on your phone model and Android version.

3. Check that your travel eSIM is being used for mobile data

If you have more than one SIM or eSIM installed, make sure your travel eSIM is selected for Mobile Data / Cellular Data.

On iPhone:

Settings → Mobile Service / Cellular → Mobile Data / Cellular Data

Select your travel eSIM.

On Android:

Settings → SIMs / SIM Manager → Mobile Data

Select your travel eSIM.

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Manually selecting a network on iPhone

The menus can vary slightly between iOS versions and iPhone models, but the general process is similar.

Step 1: Open your mobile settings

Go to:

Settings → Mobile Service / Cellular

Select your travel eSIM.

Step 2: Turn off automatic network selection

Look for:

Network Selection

or

Network Selection → Automatic

Turn Automatic off.

Your iPhone will then search for available networks.

This can take a little while. Allow the phone time to complete the search.

Step 3: Choose a supported network

You should see a list of networks detected in the area.

Select one of the networks supported by your travel eSIM.

After selecting a network, wait a few moments for the phone to register.

You may see the signal bars appear, followed by 4G, LTE or 5G.

Step 4: Test your connection

Try opening a website or another service that requires an internet connection.

If it does not work, wait a minute or two and try another supported network.

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Manually selecting a network on Android

Android phones can have significantly different menus depending on the manufacturer.

Samsung, Google Pixel, Motorola, Xiaomi, Oppo and other Android phones may use different names and menu locations.

The general process is:

Step 1: Open SIM settings

Go to:

Settings → Connections / Network & Internet → SIM Manager / SIMs

Select your travel eSIM.

Step 2: Find network operators

Look for an option such as:

Network operators

Network selection

Automatically select network

or

Choose network

Turn off automatic network selection.

Your phone should then search for available networks.

Step 3: Select a supported network

Choose one of the networks supported by your travel eSIM.

Give the phone some time to connect.

Once connected, you should see a mobile signal and a network indicator such as 4G, LTE or 5G.

Step 4: Test mobile data

Open a website or another app that requires an internet connection.

If the connection does not work, try another supported network.

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What if several networks appear?

This is normal.

Your phone may detect networks that your travel eSIM cannot use.

For example, you might see five or more network names even though your eSIM only supports two or three of them.

Do not assume that the strongest signal is the correct network.

The network with the strongest signal may not be available to your eSIM.

Always use the network information supplied with your particular eSIM or travel plan.

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What if the network says "Forbidden" or "Not allowed"?

If you select a network and your phone displays something like:

• Network unavailable

• Forbidden

• Not allowed

• Unable to connect

• Registration failed

• No service

the network may not be available to your particular eSIM.

Try another supported network.

If every network fails, return to:

Automatic Network Selection

and allow the phone to select a network automatically.

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Try Airplane Mode after changing networks

If you manually select a network but the phone does not appear to connect, try:

1. Turn Airplane Mode ON

2. Wait approximately 10–15 seconds

3. Turn Airplane Mode OFF

4. Wait for the phone to reconnect

This can force the phone to perform a fresh network registration.

You can also restart the phone if necessary.

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iPhone: Check your Data Roaming setting

One of the most common reasons a travel eSIM appears to have no internet connection is that Data Roaming is switched off.

On iPhone, check:

Settings → Mobile Service / Cellular → Travel eSIM → Data Roaming → ON

Also check that the travel eSIM is selected under:

Mobile Data / Cellular Data

If you have multiple SIMs installed, make sure you have not accidentally selected your home SIM for mobile data.

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Android: Check your Data Roaming setting

On Android, look for your travel eSIM under:

Settings → SIMs / SIM Manager

Make sure:

• The eSIM is enabled

• Mobile data is enabled

• The travel eSIM is selected for mobile data

• Data roaming is ON

Remember that Android menus vary considerably between manufacturers.

If you cannot find these settings, try using the search function inside your phone's Settings app and search for SIM, roaming, or network operator.

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What about APN settings?

APN stands for Access Point Name.

The APN tells your phone how to access mobile data through the network.

Most modern travel eSIMs automatically configure the required APN.

You normally should not change the APN unless your eSIM provider specifically tells you to.

Changing the APN unnecessarily can cause a working connection to stop working.

If your AirSims eSIM instructions provide a specific APN, use the exact APN shown in those instructions.

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What about 5G?

You do not necessarily need 5G for your travel eSIM to work.

If 5G is unavailable, your phone may connect using:

4G / LTE

This is completely normal.

For general travel use such as:

• Google Maps

• WhatsApp

• Email

• Web browsing

• Social media

• Online bookings

• Translation apps

4G/LTE is usually more than adequate.

If your phone is struggling to maintain a connection on 5G, switching the preferred network type to 4G/LTE can sometimes help.

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Why does my phone keep changing networks?

When automatic network selection is enabled, your phone may move between available partner networks depending on:

• Signal strength

• Network availability

• Location

• Network congestion

• Your eSIM's roaming agreements

This is generally normal.

If your connection is working correctly, there is usually no need to manually select a network.

Manual selection is mainly useful when your phone is having trouble connecting automatically.

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What if I have signal but no internet?

Seeing signal bars does not always mean that mobile data is working.

Check the following:

✓ Is the travel eSIM enabled?

✓ Is the travel eSIM selected for mobile data?

✓ Is Data Roaming ON?

✓ Is the phone connected to a supported network?

✓ Is the APN correct?

✓ Have you tried Airplane Mode?

✓ Have you restarted the phone?

If you have manually selected a network, try another supported network.

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A note about network names

Network names can sometimes be confusing.

The name displayed by your phone may not exactly match the name shown in your eSIM information.

A network can also appear with a shortened name, technical operator name, or another identifier.

For this reason, do not select a network simply because the name looks familiar.

If your eSIM documentation lists specific networks, use those as your guide.

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When should you leave network selection on Automatic?

If your eSIM is working normally, Automatic Network Selection is usually the best option.

Your phone can then choose an available partner network as you travel around the destination.

Manual selection is mainly a troubleshooting step.

If you manually select a network and later travel to another area where that network has poor coverage, your phone may remain connected to it rather than automatically choosing another available partner.

If you no longer need manual selection, turn Automatic Network Selection back ON.

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Travelling between countries

If your eSIM covers multiple countries, you may notice that your phone connects automatically when you cross a border.

In some situations, it may take a few minutes to register with a new network.

If it does not connect:

1. Check that the eSIM is still enabled.

2. Check that Data Roaming is ON.

3. Check that the eSIM is selected for mobile data.

4. Try Airplane Mode.

5. Restart the phone.

6. Try manually selecting one of the supported networks for the new country.

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If your AirSims eSIM still won't connect

If you have followed the steps above and still cannot get mobile data working, don't delete the eSIM.

Deleting an eSIM can make troubleshooting more difficult and, depending on the situation, you may not be able to reinstall it.

Instead, contact AirSims support with:

• Your order number, or

• Your eSIM ICCID

• Your current country

• Your phone model

• The network your phone is showing

• A description of what happens when you try to connect

A screenshot of your mobile network settings can also be useful.

Our support team can then help determine whether the problem is related to network selection, phone settings, coverage or something else.

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