diff --git a/api/@ohos.telephony.call.d.ts b/api/@ohos.telephony.call.d.ts
index 4a5bb01d2ffee37e95c3edb7fc75d60a42e64c89..03580a97a4ca7c22cc2b0e3b8fabefddcdfc664c 100644
--- a/api/@ohos.telephony.call.d.ts
+++ b/api/@ohos.telephony.call.d.ts
@@ -151,7 +151,7 @@ declare namespace call {
   function answer(callback: AsyncCallback<void>): void;
 
   /**
-   * Hangups the foreground call.
+   * Hang up the foreground call.
    *
    * @param callId Indicates the identifier of the call to hangup.
    * @permission ohos.permission.ANSWER_CALL
@@ -162,7 +162,7 @@ declare namespace call {
   function hangup(callId?: number): Promise<void>;
 
   /**
-   * Hangups the foreground call without callId.
+   * Hang up the foreground call without callId.
    *
    * @systemapi Hide this for inner system use.
    * @since 9
@@ -170,7 +170,7 @@ declare namespace call {
   function hangup(callback: AsyncCallback<void>): void;
 
   /**
-   * Rejects the incoming call.
+   * Reject the incoming call.
    *
    * @param callId Indicates the identifier of the call to reject.
    * @param options Indicates the text message to reject.
@@ -183,7 +183,7 @@ declare namespace call {
   function reject(callId?: number, options?: RejectMessageOptions): Promise<void>;
 
   /**
-   * Rejects the incoming call without callId.
+   * Reject the incoming call without callId.
    *
    * @param options Indicates the text message to reject.
    * @permission ohos.permission.ANSWER_CALL
diff --git a/api/@ohos.telephony.data.d.ts b/api/@ohos.telephony.data.d.ts
index a562d690804057646804409fa2c69881e6cd3176..78a8c384ec1d6bee2e0c5786a000efb6425463b9 100644
--- a/api/@ohos.telephony.data.d.ts
+++ b/api/@ohos.telephony.data.d.ts
@@ -93,7 +93,7 @@ declare namespace data {
   function enableCellularData(): Promise<void>;
 
   /**
-   * Diables cellular data services.
+   * Disables cellular data services.
    *
    * @permission ohos.permission.SET_TELEPHONY_STATE
    * @systemapi Hide this for inner system use.
diff --git a/api/@ohos.telephony.observer.d.ts b/api/@ohos.telephony.observer.d.ts
index 7e0ac5b3e9b55d442749d0f41844b5f8d0dfbca3..a9ab12bdd9057ff230cb820e682b846b326f4522 100644
--- a/api/@ohos.telephony.observer.d.ts
+++ b/api/@ohos.telephony.observer.d.ts
@@ -185,13 +185,13 @@ declare namespace observer {
     SIM_PUK,
     SIM_PN_PIN, //Network Personalization (refer 3GPP TS 22.022 [33])
     SIM_PN_PUK,
-    SIM_PU_PIN, //network sUbset Personalization (refer 3GPP TS 22.022 [33])
+    SIM_PU_PIN, //Network Subset Personalization (refer 3GPP TS 22.022 [33])
     SIM_PU_PUK,
-    SIM_PP_PIN, //service Provider Personalization (refer 3GPP TS 22.022 [33])
+    SIM_PP_PIN, //Service Provider Personalization (refer 3GPP TS 22.022 [33])
     SIM_PP_PUK,
     SIM_PC_PIN, //Corporate Personalization (refer 3GPP TS 22.022 [33])
     SIM_PC_PUK,
-    SIM_SIM_PIN, //SIM/USIM personalisation (refer 3GPP TS 22.022 [33])
+    SIM_SIM_PIN, //SIM/USIM Personalization (refer 3GPP TS 22.022 [33])
     SIM_SIM_PUK,
   }
 }
diff --git a/api/@ohos.telephony.radio.d.ts b/api/@ohos.telephony.radio.d.ts
index e5cc3b93fc75eb797cc8f2f30b31b8a204422973..84fec934ce23d78b25602ae8d1c8abb46f58c872 100644
--- a/api/@ohos.telephony.radio.d.ts
+++ b/api/@ohos.telephony.radio.d.ts
@@ -65,7 +65,7 @@ declare namespace radio {
   function getNetworkState(slotId?: number): Promise<NetworkState>;
 
   /**
-   * Proactively requests to update location information.
+   * Actively requests to update location information.
    *
    * @permission ohos.permission.LOCATION
    * @param { number } [ slotId ] - indicates the card slot index number.
@@ -77,7 +77,7 @@ declare namespace radio {
   function sendUpdateCellLocationRequest(slotId: number, callback: AsyncCallback<void>): void;
 
   /**
-   * Proactively requests to update location information.
+   * Actively requests to update location information.
    *
    * @permission ohos.permission.LOCATION
    * @param { number } [ slotId ] - indicates the card slot index number.
@@ -224,8 +224,9 @@ declare namespace radio {
    * Checks whether the device supports 5G New Radio (NR).
    *
    * @return Returns {@code true} if the device supports 5G NR; returns {@code false} otherwise.
-   * @deprecated Advised to use isNrSupported(slotId: number) instead.
    * @since 7
+   * @deprecated since 8
+   * @useinstead telephony.Radio#isNrSupported
    */
   function isNrSupported(): boolean;
 
@@ -300,7 +301,7 @@ declare namespace radio {
   function getPreferredNetwork(slotId: number): Promise<PreferredNetworkMode>;
 
   /**
-   * Get the IMS registration state info of specificed IMS service type.
+   * Get the IMS registration state info of specified IMS service type.
    *
    * @param slotId Indicates the card slot index number,
    *   ranging from 0 to the maximum card slot index number supported by the device.
@@ -321,7 +322,7 @@ declare namespace radio {
    function getImsRegInfo(slotId: number, imsType: ImsServiceType): Promise<ImsRegInfo>;
 
   /**
-   * Called when the IMS registration state of specificed IMS service type corresponding
+   * Called when the IMS registration state of specified IMS service type corresponding
    *   to a monitored {@code slotId} updates.
    *
    * @param slotId Indicates the card slot index number,
@@ -461,7 +462,7 @@ declare namespace radio {
     RADIO_TECHNOLOGY_LTE_CA = 10,
 
     /**
-     * Indicates that RAT is interworking WLAN (I-WLAN).
+     * Indicates that RAT is networking WLAN (I-WLAN).
      */
     RADIO_TECHNOLOGY_IWLAN = 11,
 
diff --git a/api/@ohos.telephony.sim.d.ts b/api/@ohos.telephony.sim.d.ts
index 0b269cb7ea9b20b97147d1b4647c38bf6611c96a..361954463f7298c40ce373c5ae11df257f89b4a4 100644
--- a/api/@ohos.telephony.sim.d.ts
+++ b/api/@ohos.telephony.sim.d.ts
@@ -431,7 +431,7 @@ declare namespace sim {
   function unlockSimLock(slotId: number, lockInfo: PersoLockInfo): Promise<LockStatusResponse>;
 
   /**
-   * Obtains the opkey of the SIM card in a specified slot.
+   * Obtains the operator key of the SIM card in a specified slot.
    *
    * @param slotId Indicates the card slot index number,
    * ranging from 0 to the maximum card slot index number supported by the device.
@@ -443,15 +443,15 @@ declare namespace sim {
    * @throws {BusinessError} 8300003 - System internal error.
    * @throws {BusinessError} 8300004 - Do not have sim card.
    * @throws {BusinessError} 8300999 - Unknown error code.
-   * @return Returns the opkey; returns an empty string if no SIM card is inserted or
-   * no opkey matched.
+   * @return Returns the operator key; returns an empty string if no SIM card is inserted or
+   * no operator key matched.
    * @since 9
    */
   function getOpKey(slotId: number, callback: AsyncCallback<string>): void;
   function getOpKey(slotId: number): Promise<string>;
 
   /**
-   * Obtains the opname of the SIM card in a specified slot.
+   * Obtains the operator name of the SIM card in a specified slot.
    *
    * @param slotId Indicates the card slot index number,
    * ranging from 0 to the maximum card slot index number supported by the device.
@@ -463,8 +463,8 @@ declare namespace sim {
    * @throws {BusinessError} 8300003 - System internal error.
    * @throws {BusinessError} 8300004 - Do not have sim card.
    * @throws {BusinessError} 8300999 - Unknown error code.
-   * @return Returns the opname; returns an empty string if no SIM card is inserted or
-   * no opname matched.
+   * @return Returns the operator name; returns an empty string if no SIM card is inserted or
+   * no operator name matched.
    * @since 9
    */
   function getOpName(slotId: number, callback: AsyncCallback<string>): void;
@@ -572,7 +572,7 @@ declare namespace sim {
    * @since 7
    */
   export enum CardType {
-    /** Icc card type: Unknow type Card. */
+    /** Icc card type: unknown type Card. */
     UNKNOWN_CARD = -1,
 
     /** Icc card type: Single sim card type. */
@@ -671,13 +671,13 @@ declare namespace sim {
   export enum PersoLockType {
     PN_PIN_LOCK, //Network Personalization (refer 3GPP TS 22.022 [33])
     PN_PUK_LOCK,
-    PU_PIN_LOCK, //network sUbset Personalization (refer 3GPP TS 22.022 [33])
+    PU_PIN_LOCK, //Network Subset Personalization (refer 3GPP TS 22.022 [33])
     PU_PUK_LOCK,
-    PP_PIN_LOCK, //service Provider Personalization (refer 3GPP TS 22.022 [33])
+    PP_PIN_LOCK, //Service Provider Personalization (refer 3GPP TS 22.022 [33])
     PP_PUK_LOCK,
     PC_PIN_LOCK, //Corporate Personalization (refer 3GPP TS 22.022 [33])
     PC_PUK_LOCK,
-    SIM_PIN_LOCK, //SIM/USIM personalisation (refer 3GPP TS 22.022 [33])
+    SIM_PIN_LOCK, //SIM/USIM Personalization (refer 3GPP TS 22.022 [33])
     SIM_PUK_LOCK,
   }
 }
diff --git a/api/@ohos.telephony.sms.d.ts b/api/@ohos.telephony.sms.d.ts
index 42b9cf126368c27d4f6ef92ac55f071f02df169c..7689970231e0515b35e538ed613ba194c7f29e1d 100644
--- a/api/@ohos.telephony.sms.d.ts
+++ b/api/@ohos.telephony.sms.d.ts
@@ -533,7 +533,7 @@ declare namespace sms {
     SIM_MESSAGE_STATUS_UNREAD = 3,
     /** STO SENT stored sent message (only applicable to SMs) */
     SIM_MESSAGE_STATUS_SENT = 5,
-    /** STO UNSENT stored unsent message (only applicable to SMs) */
+    /** STO UNSENT stored unsent messages (only applicable to SMs) */
     SIM_MESSAGE_STATUS_UNSENT = 7,
   }