# iOS > Localization

Source: https://help-display-sdk.equativ.com/ios/localization.html

The **Equativ Display SDK** provides a convenient way to add languages or modify the strings used when displaying the ads.

---

## Supported languages

By default, the SDK is shipped with the following languages:

* English
* French

## Adding / changing localization

1. **Create a `SASDisplayKit.strings` file in your application project.**
2. **Add this new file to your app's target.** This will add your string file to your application main bundle.
3. **Set the value of the strings for the languages you want to support.** You can refer to the [string keys](https://help-display-sdk.equativ.com/ios/localization.html#strings) table for description and identifier of each supported string.
4. **Declare your app bundle to the SDK**

   You can instruct the SDK to use your app bundle in order to get the translation file using
   the [`stringsBundle`](https://help-display-sdk.equativ.com/ios/API/Classes/SASConfiguration.html#/c:objc(cs)SASConfiguration(py)stringsBundle) property of the
   [`SASConfiguration`](https://help-display-sdk.equativ.com/ios/API/Classes/SASConfiguration.html) shared instance.

   By default the *SASDisplayKit.framework* bundle will be used to retrieve the translation file.

   ``` swift
func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]?) -> Bool {
    // ...

    // The SDK will uses the strings available in the app bundle instead of the strings embedded in the SDK
    SASConfiguration.shared.stringsBundle = Bundle.main

    // ...
}
   ```

## Localized strings

Here is the exhaustive list of the keys used to localized strings in the `SASDisplayKit.strings` resource file:

| Key | Description |
| ----- | ------------- |
| **Native video player interface** | |
| `sasdisplaykit.strings.ui.nativevideo.replay_button_label` | *'Replay'* button label |
| `sasdisplaykit.strings.ui.nativevideo.more_info_button_label` | *'More Info'* button label |