An APN is an access point name and you may need to customize your device APN settings to get access to data with certain Airalo eSIMs. If the APN settings are required for your eSIM, you can find the APN details in the eSIM installation details. Please follow these steps to set up an APN:

In iOS:

1. Go to Settings on your device

2. Go to Cellular/Mobile Data

3.Select your eSIM under Cellular/Mobile Data Plans

4. Go to Cellular/Mobile Data Network

4. Type the new APN settings in the Cellular/Mobile Data APN field as written in the eSIM installation details  (all lower case, all one word)

5.  You can leave the other fields blank

In Android:

1. Go to Settings on your device

2. Go to the Network & Internet section

3. Go to Mobile Networks

4. Go to Access Point Names

5. Type the new APN settings as written in the eSIM installation details  (all lower case, all one word)

6. You can leave the other fields blank