diff --git a/radio/deprecated/1.0/IOemHookIndication.hal b/radio/deprecated/1.0/IOemHookIndication.hal
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+++ b/radio/deprecated/1.0/IOemHookIndication.hal
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+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.hardware.radio.deprecated@1.0;
+
+import android.hardware.radio@1.0::types;
+
+/*
+ * Interface declaring unsolicited oem hook indications.
+ */
+interface IOemHookIndication {
+   /*
+    * This is for OEM specific use.
+    *
+    * @param type Type of radio indication
+    * @param data data passed as raw bytes
+    */
+   oneway oemHookRaw(RadioIndicationType type, vec<uint8_t> data);
+};
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