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# How do I install and activate an eSIM on a Huawei device?

It is recommended to install the eSIM a day before your trip. You need an internet connection such as mobile data or Wi-Fi to install the eSIM. To install via QR code, you need to use another screen like another phone or a computer.

1. How to install an eSIM on a Huawei device

* Go to Settings > Mobile Network.
* Tap SIM Management and select SIM 2.
* Tap eSIM and then tap Add eSIM.
* Tap Register QR Code and scan with the camera or register with a manual code.
* Once the eSIM verification is complete, tap Add eSIM.

2. Steps for choosing eSIM for mobile data

* Go to Settings > Mobile Network.
* Select SIM Management.
* Select SIM 2 for mobile data.
* Activate mobile data. (For Huawei P40, go to Settings > Mobile Network > Mobile Data to activate mobile data.)

3. Steps for enabling data roaming on Huawei

* Go to Settings > Mobile Network.
* Activate mobile data.
* Activate roaming for SIM 2 (eSIM).
* You are all set. You can now connect to the internet abroad using the eSIM. If you have any questions, please contact our customer service, which is available 24/7. We are always ready to assist you.