diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index cfbcc2b0383ec..1c048571f12ff 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -790,6 +790,14 @@ public class SubscriptionManager {
     @SystemApi
     public static final int PROFILE_CLASS_DEFAULT = PROFILE_CLASS_UNSET;
 
+    /**
+     * IMSI (International Mobile Subscriber Identity).
+     * <P>Type: TEXT </P>
+     * @hide
+     */
+    //TODO: add @SystemApi
+    public static final String IMSI = "imsi";
+
     /**
      * Broadcast Action: The user has changed one of the default subs related to
      * data, phone calls, or sms</p>