> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.instabridge.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# Basic eSIM configuration (iOS)

## 1. Determine the Instabridge eSIM's label
In most cases, the eSIM will be labeled *Travel* or *Secondary*. If you are not sure, go to *Settings* > *General* > *About*.

In the example below, the eSIM with ICCID 8937204016151798480 has the label *Travel*.

![](https://storage.crisp.chat/users/helpdesk/website/-/6/5/2/c/652c4ac741e77000/image_1y0x8mi.png =400x287)


## 2. Select the eSIM for cellular data.
Go to *Settings* > *Cellular* > *Cellular Data* and select the proper eSIM label.
![](https://storage.crisp.chat/users/helpdesk/website/-/6/5/2/c/652c4ac741e77000/image_1r7e5hu.png =400x304)

## 3. Enable Data Roaming
Go to *Settings* > *Cellular*. Select the eSIM label in the *SIMs* section.
![](https://storage.crisp.chat/users/helpdesk/website/-/6/5/2/c/652c4ac741e77000/image_142tpdv.png =400x187)

Enable *Data Roaming*.
![](https://storage.crisp.chat/users/helpdesk/website/-/6/5/2/c/652c4ac741e77000/image_oq3giw.png =400x66)

## 4. Disable WiFi
Go to *Settings > WiFi*. Make sure that the toggle button is off.
![](https://storage.crisp.chat/users/helpdesk/website/-/6/5/2/c/652c4ac741e77000/image_1dq90de.png =400x177)