diff --git a/radio/1.0/IRadioIndication.hal b/radio/1.0/IRadioIndication.hal
index 4dbae17..79ebf30 100644
--- a/radio/1.0/IRadioIndication.hal
+++ b/radio/1.0/IRadioIndication.hal
@@ -81,8 +81,9 @@
      * Indicates when new SMS has been stored on SIM card
      *
      * @param type Type of radio indication
+     * @param recordNumber Record number on the sim
      */
-    oneway newSmsOnSim(RadioIndicationType type);
+    oneway newSmsOnSim(RadioIndicationType type, int32_t recordNumber);
 
     /*
      * Indicates when a new USSD message is received.
@@ -91,8 +92,9 @@
      *
      * @param type Type of radio indication
      * @param modeType USSD type code
+     * @param msg Message string in UTF-8, if applicable
      */
-    oneway onUssd(RadioIndicationType type, UssdModeType modeType);
+    oneway onUssd(RadioIndicationType type, UssdModeType modeType, string msg);
 
     /*
      * Indicates when radio has received a NITZ time message.
@@ -146,7 +148,7 @@
      * @param cmd SAT/USAT proactive represented as byte array starting with command tag.
      *        Refer ETSI TS 102.223 section 9.4 for command types
      */
-    oneway stkProactiveCommand(RadioIndicationType type, vec<uint8_t> cmd);
+    oneway stkProactiveCommand(RadioIndicationType type, string cmd);
 
     /*
      * Indicates when SIM notifies applcations some event happens.
@@ -157,7 +159,7 @@
      *        starting with first byte of response data for command tag. Refer
      *        ETSI TS 102.223 section 9.4 for command types
      */
-    oneway stkEventNotify(RadioIndicationType type, vec<uint8_t> cmd);
+    oneway stkEventNotify(RadioIndicationType type, string cmd);
 
     /*
      * Indicates when SIM wants application to setup a voice call.
diff --git a/radio/1.0/types.hal b/radio/1.0/types.hal
index 926ee84..8c7f538 100644
--- a/radio/1.0/types.hal
+++ b/radio/1.0/types.hal
@@ -1789,9 +1789,7 @@
     bool isMT;                             // notification type
                                            // false = MO intermediate result code
                                            // true = MT unsolicited result code
-    bool isCode1;                          // See 27.007 7.17
-                                           // true = "code1" for MO
-                                           // false = "code2" for MT
+    int32_t code;                          // result code. See 27.007 7.17.
     int32_t index;                         // CUG index. See 27.007 7.17.
     int32_t type;                          // "type" from 27.007 7.17 (MT only).
     string number;                         // "number" from 27.007 7.17