diff --git a/radio/aidl/Android.bp b/radio/aidl/Android.bp
index 517ad86..eca9a27 100644
--- a/radio/aidl/Android.bp
+++ b/radio/aidl/Android.bp
@@ -37,7 +37,7 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 
 }
 
@@ -47,7 +47,7 @@
     host_supported: true,
     srcs: ["android/hardware/radio/config/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio-V3"],
+    imports: ["android.hardware.radio-V4"],
     backend: {
         cpp: {
             enabled: true,
@@ -71,7 +71,7 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 
 }
 
@@ -81,7 +81,7 @@
     host_supported: true,
     srcs: ["android/hardware/radio/data/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio-V3"],
+    imports: ["android.hardware.radio-V4"],
     backend: {
         cpp: {
             enabled: true,
@@ -114,7 +114,7 @@
     host_supported: true,
     srcs: ["android/hardware/radio/messaging/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio-V3"],
+    imports: ["android.hardware.radio-V4"],
     backend: {
         cpp: {
             enabled: true,
@@ -138,7 +138,7 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
 
 aidl_interface {
@@ -147,7 +147,7 @@
     host_supported: true,
     srcs: ["android/hardware/radio/modem/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio-V3"],
+    imports: ["android.hardware.radio-V4"],
     backend: {
         cpp: {
             enabled: true,
@@ -171,7 +171,7 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
 
 aidl_interface {
@@ -180,7 +180,7 @@
     host_supported: true,
     srcs: ["android/hardware/radio/network/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio-V3"],
+    imports: ["android.hardware.radio-V4"],
     backend: {
         cpp: {
             enabled: true,
@@ -204,7 +204,7 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
 
 aidl_interface {
@@ -242,8 +242,8 @@
     srcs: ["android/hardware/radio/sim/*.aidl"],
     stability: "vintf",
     imports: [
-        "android.hardware.radio-V3",
-        "android.hardware.radio.config-V3",
+        "android.hardware.radio-V4",
+        "android.hardware.radio.config-V4",
     ],
     backend: {
         cpp: {
@@ -277,7 +277,7 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
 
 aidl_interface {
@@ -286,7 +286,7 @@
     host_supported: true,
     srcs: ["android/hardware/radio/voice/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio-V3"],
+    imports: ["android.hardware.radio-V4"],
     backend: {
         cpp: {
             enabled: true,
@@ -310,7 +310,7 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }
 
 aidl_interface {
@@ -319,7 +319,7 @@
     srcs: ["android/hardware/radio/ims/media/*.aidl"],
     stability: "vintf",
     imports: [
-        "android.hardware.radio-V3",
+        "android.hardware.radio-V4",
         "android.hardware.radio.data-V4",
     ],
     backend: {
@@ -355,7 +355,7 @@
     vendor_available: true,
     srcs: ["android/hardware/radio/ims/*.aidl"],
     stability: "vintf",
-    imports: ["android.hardware.radio-V3"],
+    imports: ["android.hardware.radio-V4"],
     backend: {
         cpp: {
             enabled: false,
@@ -375,5 +375,5 @@
         },
 
     ],
-    frozen: true,
+    frozen: false,
 }