diff --git a/compatibility_matrices/compatibility_matrix.202504.xml b/compatibility_matrices/compatibility_matrix.202504.xml
index 9b7866c..ed45c1b 100644
--- a/compatibility_matrices/compatibility_matrix.202504.xml
+++ b/compatibility_matrices/compatibility_matrix.202504.xml
@@ -662,7 +662,7 @@
     </hal>
     <hal format="aidl">
         <name>android.hardware.wifi.hostapd</name>
-        <version>1-2</version>
+        <version>2-3</version>
         <interface>
             <name>IHostapd</name>
             <instance>default</instance>
diff --git a/wifi/hostapd/aidl/Android.bp b/wifi/hostapd/aidl/Android.bp
index 2e4d4d1..88f4ef2 100644
--- a/wifi/hostapd/aidl/Android.bp
+++ b/wifi/hostapd/aidl/Android.bp
@@ -65,5 +65,5 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
diff --git a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/BandMask.aidl b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/BandMask.aidl
index b1e7f66..fa9f198 100644
--- a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/BandMask.aidl
+++ b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/BandMask.aidl
@@ -34,8 +34,8 @@
 package android.hardware.wifi.hostapd;
 @Backing(type="int") @VintfStability
 enum BandMask {
-  BAND_2_GHZ = 1,
-  BAND_5_GHZ = 2,
-  BAND_6_GHZ = 4,
-  BAND_60_GHZ = 8,
+  BAND_2_GHZ = (1 << 0) /* 1 */,
+  BAND_5_GHZ = (1 << 1) /* 2 */,
+  BAND_6_GHZ = (1 << 2) /* 4 */,
+  BAND_60_GHZ = (1 << 3) /* 8 */,
 }
diff --git a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/EncryptionType.aidl b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/EncryptionType.aidl
index a7b20fa..840b875 100644
--- a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/EncryptionType.aidl
+++ b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/EncryptionType.aidl
@@ -34,11 +34,11 @@
 package android.hardware.wifi.hostapd;
 @Backing(type="int") @VintfStability
 enum EncryptionType {
-  NONE = 0,
-  WPA = 1,
-  WPA2 = 2,
-  WPA3_SAE_TRANSITION = 3,
-  WPA3_SAE = 4,
-  WPA3_OWE_TRANSITION = 5,
-  WPA3_OWE = 6,
+  NONE,
+  WPA,
+  WPA2,
+  WPA3_SAE_TRANSITION,
+  WPA3_SAE,
+  WPA3_OWE_TRANSITION,
+  WPA3_OWE,
 }
diff --git a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/Generation.aidl b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/Generation.aidl
index 5bb0d32..a0c1886 100644
--- a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/Generation.aidl
+++ b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/Generation.aidl
@@ -34,7 +34,7 @@
 package android.hardware.wifi.hostapd;
 @Backing(type="int") @VintfStability
 enum Generation {
-  WIFI_STANDARD_UNKNOWN = -1,
+  WIFI_STANDARD_UNKNOWN = (-1) /* -1 */,
   WIFI_STANDARD_LEGACY = 0,
   WIFI_STANDARD_11N = 1,
   WIFI_STANDARD_11AC = 2,
diff --git a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/HostapdStatusCode.aidl b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/HostapdStatusCode.aidl
index 548e497..7edff15 100644
--- a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/HostapdStatusCode.aidl
+++ b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/HostapdStatusCode.aidl
@@ -34,10 +34,10 @@
 package android.hardware.wifi.hostapd;
 @Backing(type="int") @VintfStability
 enum HostapdStatusCode {
-  SUCCESS = 0,
-  FAILURE_UNKNOWN = 1,
-  FAILURE_ARGS_INVALID = 2,
-  FAILURE_IFACE_UNKNOWN = 3,
-  FAILURE_IFACE_EXISTS = 4,
-  FAILURE_CLIENT_UNKNOWN = 5,
+  SUCCESS,
+  FAILURE_UNKNOWN,
+  FAILURE_ARGS_INVALID,
+  FAILURE_IFACE_UNKNOWN,
+  FAILURE_IFACE_EXISTS,
+  FAILURE_CLIENT_UNKNOWN,
 }
diff --git a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/IfaceParams.aidl b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/IfaceParams.aidl
index 64367bb..8da3441 100644
--- a/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/IfaceParams.aidl
+++ b/wifi/hostapd/aidl/aidl_api/android.hardware.wifi.hostapd/current/android/hardware/wifi/hostapd/IfaceParams.aidl
@@ -38,4 +38,6 @@
   android.hardware.wifi.hostapd.HwModeParams hwModeParams;
   android.hardware.wifi.hostapd.ChannelParams[] channelParams;
   @nullable android.hardware.wifi.common.OuiKeyedData[] vendorData;
+  @nullable String[] instanceIdentities;
+  boolean isMlo;
 }
diff --git a/wifi/hostapd/aidl/android/hardware/wifi/hostapd/IfaceParams.aidl b/wifi/hostapd/aidl/android/hardware/wifi/hostapd/IfaceParams.aidl
index 3f8ee39..bb646e3 100644
--- a/wifi/hostapd/aidl/android/hardware/wifi/hostapd/IfaceParams.aidl
+++ b/wifi/hostapd/aidl/android/hardware/wifi/hostapd/IfaceParams.aidl
@@ -41,4 +41,12 @@
      * Optional vendor-specific configuration parameters.
      */
     @nullable OuiKeyedData[] vendorData;
+    /**
+     * The list of the instance identities.
+     */
+    @nullable String[] instanceIdentities;
+    /**
+     * Whether the current iface is MLO.
+     */
+    boolean isMlo;
 }
diff --git a/wifi/hostapd/aidl/vts/functional/Android.bp b/wifi/hostapd/aidl/vts/functional/Android.bp
index f614679..bf1b0d0 100644
--- a/wifi/hostapd/aidl/vts/functional/Android.bp
+++ b/wifi/hostapd/aidl/vts/functional/Android.bp
@@ -21,7 +21,7 @@
         "libvndksupport",
     ],
     static_libs: [
-        "android.hardware.wifi.hostapd-V2-ndk",
+        "android.hardware.wifi.hostapd-V3-ndk",
         "VtsHalWifiV1_0TargetTestUtil",
         "VtsHalWifiV1_5TargetTestUtil",
         "VtsHalWifiV1_6TargetTestUtil",