1# USB Subsystem API Changelog 2 3## cl.usb_manager.1 SDK API Deletion 4 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. 6 7**Key API/Component Changes** 8 9The **@ohos.usbV9.d.ts** file is replaced by the **@ohos.usbManager.d.ts** file. 10 11| New Bundle | Original Bundle | Deleted Bundle | 12| -------------------- | ------------- | --------------- | 13| ohos.usbManager.d.ts | ohos.usb.d.ts | ohos.usbV9.d.ts | 14 15You need to import **@ohos.usbManager** to use USB service APIs. 16 17 ```ts 18 import usbManager from '@ohos.usbManager'; 19 ``` 20 21**Adaptation Guide** 22 23For details about usage of each API, see the [API Reference](../../../application-dev/reference/apis/js-apis-usbManager.md). 24