diff --git a/current.txt b/current.txt
index 757c173..4ccc675 100644
--- a/current.txt
+++ b/current.txt
@@ -461,7 +461,7 @@
 4ac73ec1e4cfa535209e5e22547f08beb20ef812b4a29d0824780f52cbe2324d android.hardware.radio@1.4::IRadio
 33d9e6895cca98aa56296bb01720d18b8acd0e4de4960beb712e63ad147438a5 android.hardware.radio@1.4::IRadioIndication
 0cc0dd87c634aad36d7df22b2832839ef7ded71909dbcde11cfdd69dc0dc52b8 android.hardware.radio@1.4::IRadioResponse
-29d34232cc3974626b08759e039fe788bded7695cdeb098458e3e11e4c7d3603 android.hardware.radio@1.4::types
+22091ad1f6cb6da1c7c1467e6412c9c1ae577b3ecc0c3e5047fc4b50cdd60c69 android.hardware.radio@1.4::types
 51e696c0ceff30f74da8ff8d02fe4522ffd2f4a04cdfdbca0c68bfa64fcd306b android.hardware.radio.config@1.1::IRadioConfig
 7fcf167f593b10c67b59ab70321781c26a5575eab60803e7cbb1c14c71085a3b android.hardware.radio.config@1.1::IRadioConfigIndication
 b42eb3bbd5e7b519e28362340c2205aa75356de6b30f4fd09ec2ea784f250ab0 android.hardware.radio.config@1.1::IRadioConfigResponse
diff --git a/radio/1.4/Android.bp b/radio/1.4/Android.bp
index e8b8777..8165b8f 100644
--- a/radio/1.4/Android.bp
+++ b/radio/1.4/Android.bp
@@ -22,6 +22,7 @@
     ],
     types: [
         "AccessNetwork",
+        "ApnTypes",
         "CardStatus",
         "CarrierRestrictionsWithPriority",
         "CellConfigLte",
diff --git a/radio/1.4/types.hal b/radio/1.4/types.hal
index dc3bba0..393716b 100644
--- a/radio/1.4/types.hal
+++ b/radio/1.4/types.hal
@@ -64,6 +64,15 @@
     UNKNOWN = 0,
 };
 
+enum ApnTypes : @1.0::ApnTypes {
+    /**
+     * Due to the addition of this new value, the value ALL defined in 1.0::ApnTypes is now
+     * deprecated and should not be used.
+     */
+    MCX = 1 << 10,            // APN type for Mission Critical Service
+                              // Reference: 3GPP TS 22.280 V15.3.0
+};
+
 /**
  * Emergency number contains information of number, one or more service category(s), zero or more
  * emergency uniform resource names, mobile country code (mcc), mobile network country (mnc) and