diff --git a/CHANGELOG.md b/CHANGELOG.md
index a68f4a19..4d2d98cf 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,7 +2,10 @@
 All notable changes to this project will be documented in this file.
 
 
-#### 3.0.0
+#### 3.1.0 Releases
+- `3.1.0` Releases - [3.1.0](#310)
+
+#### 3.0.0 Releases
 - `3.0.0` Releases - [3.0.0](#300)
 
 #### 2.8.0 Releases
@@ -42,6 +45,25 @@ All notable changes to this project will be documented in this file.
 - `0.2.0` Releases - [0.2.0](#020)
 
 
+---
+## [3.1.0](https://github.com/webex/webex-android-sdk/releases/tag/3.1.0)
+Released on **16 August, 2021**.
+
+#### Added
+- `Phone.getServiceUrl(serviceUrlType: ServiceUrlType)` - to expose service Urls.
+- OAuthAuthenticator.
+- `getAuthorizationUrl(handler: CompletionHandler<String?>)` in OAuthWebViewAuthenticator.
+- `Call.isSpaceMeeting` to check space backed meeting type.
+- `Call.isSelfCreator` to check self is the initiator of the call.
+- `Call.hasAnyoneJoined` to check anyone joined the meeting, excluding self.
+- `Call.isPmr` to check meeting is in PMR (personal meeting room).
+- `Call.isMeeting` to check the call is meeting type.
+- `Call.isScheduledMeeting` to check the call is schedule meeting type.
+- FedRAMP app configuration support.
+
+#### Updated
+- `OAuthWebViewAuthenticator` takes scope as a constructor parameter
+
 ---
 ## [3.0.0](https://github.com/webex/webex-android-sdk/releases/tag/3.0.0)
 Released on **24 May, 2021**.
diff --git a/README.md b/README.md
index e94b916d..367c1c76 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,7 @@ For creating a new app integration, new client id generation, etc. visit [App Re
 - [Migration Guide](#migration-guide)
 - [Sample App](#sample-app)
 - [API Reference](#api-reference)
+- [FedRAMP Testing Guide](#fedramp-testing-guide)
 - [License](#license)
 
 ## Advantages
@@ -30,9 +31,11 @@ For creating a new app integration, new client id generation, etc. visit [App Re
 
 ## Notes
 * Integrations created earlier will not work with v3 because they are not entitled to the scopes required by v3. You can either raise a support request to enable these scopes for your appId or you could create a new Integration that's meant to be used for v3. This does not affect Guest Issuer JWT token-based sign-in.
-* We do not support external auth code login anymore.
+* FedRAMP(
+Federal Risk and Authorization Management Program) support from 3.1 onwards.
 * Currently all resource ids that are exposed from the SDK are barebones GUIDs. You cannot directly use these ids to make calls to [webexapis.com](webexapis.com). You'll need to call `Webex.base64Encode(type: ResourceType, resource: String, handler: CompletionHandler<String>)` to get a base64 encoded resource. However, you're free to interchange between base64 encoded resource ids and barebones GUID while providing them as input to the SDK APIs.
 * You can add `android:extractNativeLibs="true"` inside your `<application>` tag in your Manifest file to reduce the generated apk size.
+* You can split the application APKs based on architecture for individual distribution. To get details of each architecture library and sample application sizes please visit [here](https://github.com/webex/webex-android-sdk/wiki/Android-SDK-v3---Library-and-Sample-application-sizes)
 
 ## Integration
 
@@ -67,7 +70,7 @@ For creating a new app integration, new client id generation, etc. visit [App Re
 
         ```
         dependencies {
-            implementation 'com.ciscowebex:androidsdk:3.0.0@aar'
+            implementation 'com.ciscowebex:androidsdk:3.1.0@aar'
         }
         ```
 ## Usage
@@ -86,9 +89,10 @@ Here are some examples of how to use the Android SDK in your app.
     val clientId: String = "YOUR_CLIENT_ID"
     val clientSecret: String = "YOUR_CLIENT_SECRET"
     val redirectUri: String = "https://webexdemoapp.com"
+    val scope: String = "spark:all"
     val email = "EMAIL_ID_OF_END_USER" // Get email id from end user
 
-    val authenticator: OAuthWebViewAuthenticator = OAuthWebViewAuthenticator(clientId, clientSecret, redirectUri, email)
+    val authenticator: OAuthWebViewAuthenticator = OAuthWebViewAuthenticator(clientId, clientSecret, scope, redirectUri, email)
     val webex = Webex(application, authenticator)
     webex.enableConsoleLogger(true)
     webex.setLogLevel(LogLevel.VERBOSE) // Highly recommended to make this end-user configurable incase you need to get detailed logs.
@@ -582,6 +586,9 @@ The sample app demonstrates the common usage of SDK-v3. You can view the demo ap
 ## API Reference
 For a complete reference to all supported APIs, please visit [Webex Android SDK API docs](https://webex.github.io/webex-android-sdk/).
 
+## FedRAMP Testing Guide
+For complete testing guide, please visit [FedRAMP Testing Guide](https://github.com/webex/webex-android-sdk/wiki/Android-SDK---FedRAMP-Environment)
+
 ## License
 
 All contents are licensed under the Cisco EULA