diff --git a/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl b/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl
index b9ce9d1..8c0dd6d 100644
--- a/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl
+++ b/secure_element/aidl/android/hardware/secure_element/ISecureElement.aidl
@@ -123,6 +123,9 @@
     /**
      * Transmits an APDU command (as per ISO/IEC 7816) to the SE.
      *
+     * @throws ServiceSpecificException with code CHANNEL_NOT_AVAILABLE
+     *  if there was an error in communicating with the secure element.
+     *
      * @param data APDU command to be sent
      * @return response to the command
      */
diff --git a/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp b/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp
index 2e96f7d..0925a21 100644
--- a/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp
+++ b/secure_element/aidl/vts/VtsHalSecureElementTargetTest.cpp
@@ -136,18 +136,27 @@
             apdu[0] |= (channel_number - 4) | 0x40;
         }
 
-        EXPECT_OK(secure_element_->transmit(apdu, &response));
+        // transmit() will return an empty response with the error
+        // code CHANNEL_NOT_AVAILABLE when the SE cannot be
+        // communicated with.
+        auto status = secure_element_->transmit(apdu, &response);
+        if (!status.isOk()) {
+            return 0x6881;
+        }
+
+        // transmit() will return a response containing at least
+        // the APDU response status otherwise.
         EXPECT_GE(response.size(), 2u);
-        uint16_t status =
+        uint16_t apdu_status =
                 (response[response.size() - 2] << 8) | (response[response.size() - 1] << 0);
 
         // When the command is successful the response
         // must contain 256 bytes of data.
-        if (status == 0x9000) {
+        if (apdu_status == 0x9000) {
             EXPECT_EQ(response.size(), 258);
         }
 
-        return status;
+        return apdu_status;
     }
 
     std::shared_ptr<ISecureElement> secure_element_;
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/.hash b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/.hash
index 856fa7c..42772bb 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/.hash
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/.hash
@@ -1 +1 @@
-39791e3a4bb9892a340e94e44860048624d2f66e
+590d9f45625a2c353011cf85f18d1d08593b8a0a
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
index e2c06e5..0cc01c5 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/2/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
@@ -49,7 +49,7 @@
   SUPPORTED_RANGE_DATA_NTF_CONFIG = 229,
   SUPPORTED_RSSI_REPORTING = 230,
   SUPPORTED_DIAGNOSTICS = 231,
-  SUPPORTED_MIN_SLOT_DURATION_MS = 232,
+  SUPPORTED_MIN_SLOT_DURATION_RSTU = 232,
   SUPPORTED_MAX_RANGING_SESSION_NUMBER = 233,
   SUPPORTED_CHANNELS_AOA = 234,
 }
diff --git a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
index e2c06e5..0cc01c5 100644
--- a/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
+++ b/uwb/aidl/aidl_api/android.hardware.uwb.fira_android/current/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
@@ -49,7 +49,7 @@
   SUPPORTED_RANGE_DATA_NTF_CONFIG = 229,
   SUPPORTED_RSSI_REPORTING = 230,
   SUPPORTED_DIAGNOSTICS = 231,
-  SUPPORTED_MIN_SLOT_DURATION_MS = 232,
+  SUPPORTED_MIN_SLOT_DURATION_RSTU = 232,
   SUPPORTED_MAX_RANGING_SESSION_NUMBER = 233,
   SUPPORTED_CHANNELS_AOA = 234,
 }
diff --git a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
index bf59318..891b6f0 100644
--- a/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
+++ b/uwb/aidl/android/hardware/uwb/fira_android/UwbVendorCapabilityTlvTypes.aidl
@@ -186,9 +186,9 @@
     SUPPORTED_DIAGNOSTICS = 0xE7,
 
     /**
-     * 4 byte value to indicate supported min slot duration in ms.
+     * 4 byte value to indicate supported min slot duration in rstu.
      */
-    SUPPORTED_MIN_SLOT_DURATION_MS = 0xE8,
+    SUPPORTED_MIN_SLOT_DURATION_RSTU = 0xE8,
 
     /**
      * Int value to indicate supported max number of fira ranging sessions