1# USB Subsystem API Changelog
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3## cl.usb_manager.1 SDK API Deletion
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5For applications developed based on earlier versions, you need to change the name of the imported bundle. Otherwise, the original service logic will be affected.
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7**Key API/Component Changes**
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9The **@ohos.usbV9.d.ts** file is replaced by the **@ohos.usbManager.d.ts** file.
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11|         New Bundle        |     Original Bundle   |    Deleted Bundle   |
12| -------------------- | ------------- | --------------- |
13| ohos.usbManager.d.ts | ohos.usb.d.ts | ohos.usbV9.d.ts |
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15You need to import **@ohos.usbManager** to use USB service APIs.
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17  ```ts
18  import usbManager from '@ohos.usbManager';
19  ```
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21**Adaptation Guide**
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23For details about usage of each API, see the [API Reference](../../../application-dev/reference/apis/js-apis-usbManager.md).
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