diff --git a/api/@ohos.telephony.data.d.ts b/api/@ohos.telephony.data.d.ts
index a82b90e3dd203f02940c831c92af55e69c970de6..1ca3ce823f77aed38d4cfc72243670bd0c3022db 100644
--- a/api/@ohos.telephony.data.d.ts
+++ b/api/@ohos.telephony.data.d.ts
@@ -31,6 +31,17 @@ declare namespace data {
   function getDefaultCellularDataSlotId(callback: AsyncCallback<number>): void;
   function getDefaultCellularDataSlotId(): Promise<number>;
 
+  /**
+   * Checks whether cellular data services are enabled.
+   *
+   * <p>Requires Permission: {@code ohos.permission.GET_NETWORK_INFO}.
+   *
+   * @return Returns default cellular data slot id.
+   * @permission ohos.permission.GET_NETWORK_INFO
+   * @since 9
+   */
+  function getDefaultCellularDataSlotIdSync(): number;
+
   /**
    * Switches cellular data services to another card, without changing the default settings.
    *
diff --git a/api/@ohos.telephony.sim.d.ts b/api/@ohos.telephony.sim.d.ts
index 1846fee55761a670fbe76b5d559bf3777e3a41fe..475772a1af5de4499f2b86a86c88e9b4691d002a 100644
--- a/api/@ohos.telephony.sim.d.ts
+++ b/api/@ohos.telephony.sim.d.ts
@@ -462,17 +462,6 @@ declare namespace sim {
     value: string;
   }
 
-  /**
-   * Checks whether cellular data services are enabled.
-   *
-   * <p>Requires Permission: {@code ohos.permission.GET_NETWORK_INFO}.
-   *
-   * @return Returns default cellular data slot id.
-   * @permission ohos.permission.GET_NETWORK_INFO
-   * @since 9
-   */
-  function getDefaultCellularDataSlotIdSync(): number;
-
   /**
    * @systemapi Hide this for inner system use.
    * @since 7