diff --git a/eng/versioning/version_client.txt b/eng/versioning/version_client.txt
index 47eae3a7c4fe..9e124a9e4e93 100644
--- a/eng/versioning/version_client.txt
+++ b/eng/versioning/version_client.txt
@@ -400,7 +400,7 @@ com.azure.resourcemanager:azure-resourcemanager-edgeorder;1.0.0;1.1.0-beta.1
 com.azure.resourcemanager:azure-resourcemanager-securityinsights;1.0.0;1.1.0-beta.1
 com.azure.resourcemanager:azure-resourcemanager-oep;1.0.0-beta.2;1.0.0-beta.3
 com.azure.resourcemanager:azure-resourcemanager-dnsresolver;1.1.0;1.2.0-beta.2
-com.azure.resourcemanager:azure-resourcemanager-mobilenetwork;1.3.0;1.4.0-beta.1
+com.azure.resourcemanager:azure-resourcemanager-mobilenetwork;1.3.0;1.3.1
 com.azure.resourcemanager:azure-resourcemanager-azureadexternalidentities;1.0.0-beta.1;1.0.0-beta.1
 com.azure.resourcemanager:azure-resourcemanager-dashboard;1.2.0;1.3.0-beta.1
 com.azure.resourcemanager:azure-resourcemanager-servicelinker;1.0.0;1.1.0-beta.1
diff --git a/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/CHANGELOG.md b/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/CHANGELOG.md
index 43fb9ad2085f..b7e8a5d888b0 100644
--- a/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/CHANGELOG.md
+++ b/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/CHANGELOG.md
@@ -1,15 +1,13 @@
 # Release History
 
-## 1.4.0-beta.1 (Unreleased)
+## 1.3.1 (2025-12-16)
 
-### Features Added
-
-### Breaking Changes
-
-### Bugs Fixed
+- Please note, this package has been deprecated and will no longer be maintained after 09-30-2025. Refer to our deprecation policy (https://aka.ms/azsdk/support-policies) for more details.
 
 ### Other Changes
 
+- Please note, this package has been deprecated and will no longer be maintained after 09-30-2025. Refer to our deprecation policy (https://aka.ms/azsdk/support-policies) for more details.
+
 ## 1.3.0 (2024-12-23)
 
 - Azure Resource Manager MobileNetwork client library for Java. This package contains Microsoft Azure SDK for MobileNetwork Management SDK. The resources in this API specification will be used to manage attached data network resources in mobile network attached to a particular packet core instance. Package tag package-2024-04. For documentation on how to use this package, please see [Azure Management Libraries for Java](https://aka.ms/azsdk/java/mgmt).
diff --git a/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/README.md b/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/README.md
index f74dfd75bac5..e33bccebeb55 100644
--- a/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/README.md
+++ b/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/README.md
@@ -1,5 +1,7 @@
 # Azure Resource Manager MobileNetwork client library for Java
 
+Please note, this package has been deprecated and will no longer be maintained after 09-30-2025. Refer to our deprecation policy (https://aka.ms/azsdk/support-policies) for more details.
+
 Azure Resource Manager MobileNetwork client library for Java.
 
 This package contains Microsoft Azure SDK for MobileNetwork Management SDK. The resources in this API specification will be used to manage attached data network resources in mobile network attached to a particular packet core instance. Package tag package-2024-04. For documentation on how to use this package, please see [Azure Management Libraries for Java](https://aka.ms/azsdk/java/mgmt).
diff --git a/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/pom.xml b/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/pom.xml
index ce4128b6d76b..80d74e858b2e 100644
--- a/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/pom.xml
+++ b/sdk/mobilenetwork/azure-resourcemanager-mobilenetwork/pom.xml
@@ -14,11 +14,11 @@
 
   <groupId>com.azure.resourcemanager</groupId>
   <artifactId>azure-resourcemanager-mobilenetwork</artifactId>
-  <version>1.4.0-beta.1</version> <!-- {x-version-update;com.azure.resourcemanager:azure-resourcemanager-mobilenetwork;current} -->
+  <version>1.3.1</version> <!-- {x-version-update;com.azure.resourcemanager:azure-resourcemanager-mobilenetwork;current} -->
   <packaging>jar</packaging>
 
   <name>Microsoft Azure SDK for MobileNetwork Management</name>
-  <description>This package contains Microsoft Azure SDK for MobileNetwork Management SDK. For documentation on how to use this package, please see https://aka.ms/azsdk/java/mgmt. The resources in this API specification will be used to manage attached data network resources in mobile network attached to a particular packet core instance. Package tag package-2024-04.</description>
+  <description>Please note, this package has been deprecated and will no longer be maintained after 09-30-2025. Refer to our deprecation policy (https://aka.ms/azsdk/support-policies) for more details.</description>
   <url>https://github.com/Azure/azure-sdk-for-java</url>
 
   <licenses>