diff --git a/Group-Video/OpenVideoCall-iOS-Objective-C/README.md b/Group-Video/OpenVideoCall-iOS-Objective-C/README.md
index ac533c6b..e744d11d 100644
--- a/Group-Video/OpenVideoCall-iOS-Objective-C/README.md
+++ b/Group-Video/OpenVideoCall-iOS-Objective-C/README.md
@@ -14,6 +14,13 @@ With this sample app, you can:
 - Play/stop music
 - Set up the resolution, the frame rate display
 
+## Problem
+After users upgrade their iOS devices to iOS 14.0, and use an app that integrates the Agora RTC SDK for iOS for the first time, users see a prompt for finding local network devices. The following picture shows the pop-up prompt:
+
+![](../../pictures/ios_14_privacy.png)
+
+**Solution**: [https://docs.agora.io/en/faq/local_network_privacy]()
+
 ## Prerequisites
 
 - Xcode 10.0+
diff --git a/Group-Video/OpenVideoCall-iOS-Objective-C/README.zh.md b/Group-Video/OpenVideoCall-iOS-Objective-C/README.zh.md
index 7155cc2e..c86bc451 100644
--- a/Group-Video/OpenVideoCall-iOS-Objective-C/README.zh.md
+++ b/Group-Video/OpenVideoCall-iOS-Objective-C/README.zh.md
@@ -15,6 +15,13 @@
 - 选择分辨率、帧率；
 - 设置加密模式；
 
+## 问题描述
+iOS 系统版本升级至 14.0 版本后，用户首次使用集成了声网 iOS 语音或视频 SDK 的 app 时会看到查找本地网络设备的弹窗提示。默认弹窗界面如下图所示：
+
+![](../../pictures/ios_14_privacy_zh.png)
+
+**解决方案**: [https://docs.agora.io/cn/faq/local_network_privacy]()
+
 ## 环境准备
 
 - XCode 10.0 +
diff --git a/Group-Video/OpenVideoCall-iOS/README.md b/Group-Video/OpenVideoCall-iOS/README.md
index a61c8177..0f240074 100755
--- a/Group-Video/OpenVideoCall-iOS/README.md
+++ b/Group-Video/OpenVideoCall-iOS/README.md
@@ -14,6 +14,13 @@ With this sample app, you can:
 - Play/stop music
 - Set up the resolution, the frame rate display
 
+## Problem
+After users upgrade their iOS devices to iOS 14.0, and use an app that integrates the Agora RTC SDK for iOS for the first time, users see a prompt for finding local network devices. The following picture shows the pop-up prompt:
+
+![](../../pictures/ios_14_privacy.png)
+
+**Solution**: [https://docs.agora.io/en/faq/local_network_privacy]()
+
 ## Prerequisites
 
 - Xcode 10.0+
diff --git a/Group-Video/OpenVideoCall-iOS/README.zh.md b/Group-Video/OpenVideoCall-iOS/README.zh.md
index 6361d116..51f6cd21 100644
--- a/Group-Video/OpenVideoCall-iOS/README.zh.md
+++ b/Group-Video/OpenVideoCall-iOS/README.zh.md
@@ -15,6 +15,13 @@
 - 选择分辨率、帧率；
 - 设置加密模式；
 
+## 问题描述
+iOS 系统版本升级至 14.0 版本后，用户首次使用集成了声网 iOS 语音或视频 SDK 的 app 时会看到查找本地网络设备的弹窗提示。默认弹窗界面如下图所示：
+
+![](../../pictures/ios_14_privacy_zh.png)
+
+**解决方案**: [https://docs.agora.io/cn/faq/local_network_privacy]()
+
 ## 环境准备
 
 - XCode 10.0 +
diff --git a/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.md b/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.md
index 5acf0632..27379a7d 100644
--- a/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.md
+++ b/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.md
@@ -11,6 +11,13 @@ With this sample app, you can:
 - Enable / disable video
 - Switch camera
 
+## Problem
+After users upgrade their iOS devices to iOS 14.0, and use an app that integrates the Agora RTC SDK for iOS for the first time, users see a prompt for finding local network devices. The following picture shows the pop-up prompt:
+
+![](../../pictures/ios_14_privacy.png)
+
+**Solution**: [https://docs.agora.io/en/faq/local_network_privacy]()
+
 ## Prerequisites
 
 - Xcode 10.0+
diff --git a/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.zh.md b/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.zh.md
index 09cabe9a..af71c62c 100644
--- a/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.zh.md
+++ b/One-to-One-Video/Agora-iOS-Tutorial-Objective-C-1to1/README.zh.md
@@ -11,6 +11,13 @@
 - 关闭摄像头和开启摄像头；
 - 切换前置摄像头和后置摄像头；
 
+## 问题描述
+iOS 系统版本升级至 14.0 版本后，用户首次使用集成了声网 iOS 语音或视频 SDK 的 app 时会看到查找本地网络设备的弹窗提示。默认弹窗界面如下图所示：
+
+![](../../pictures/ios_14_privacy_zh.png)
+
+**解决方案**: [https://docs.agora.io/cn/faq/local_network_privacy]()
+
 ## 环境准备
 
 - XCode 10.0 +
diff --git a/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.md b/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.md
index 5cd42caf..b9c60620 100644
--- a/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.md
+++ b/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.md
@@ -12,6 +12,13 @@ With this sample app you can:
 - Enable and disable video.
 - Switch between the front and rear cameras.
 
+## Problem
+After users upgrade their iOS devices to iOS 14.0, and use an app that integrates the Agora RTC SDK for iOS for the first time, users see a prompt for finding local network devices. The following picture shows the pop-up prompt:
+
+![](../../pictures/ios_14_privacy.png)
+
+**Solution**: [https://docs.agora.io/en/faq/local_network_privacy]()
+
 ## Prerequisites
 
 - Xcode 10.0+
diff --git a/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.zh.md b/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.zh.md
index 35a93e0d..f709fa8e 100644
--- a/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.zh.md
+++ b/One-to-One-Video/Agora-iOS-Tutorial-Swift-1to1/README.zh.md
@@ -11,6 +11,13 @@
 - 关闭摄像头和开启摄像头；
 - 切换前置摄像头和后置摄像头；
 
+## 问题描述
+iOS 系统版本升级至 14.0 版本后，用户首次使用集成了声网 iOS 语音或视频 SDK 的 app 时会看到查找本地网络设备的弹窗提示。默认弹窗界面如下图所示：
+
+![](../../pictures/ios_14_privacy_zh.png)
+
+**解决方案**: [https://docs.agora.io/cn/faq/local_network_privacy]()
+
 ## 环境准备
 
 - XCode 10.0 +
diff --git a/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.md b/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.md
index a990897d..b34b2bc1 100644
--- a/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.md
+++ b/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.md
@@ -9,6 +9,13 @@ This tutorial enables you to quickly get started in your development efforts wit
 - Mute and unmute audio.
 - Switch between the front and rear cameras.
 
+## Problem
+After users upgrade their iOS devices to iOS 14.0, and use an app that integrates the Agora RTC SDK for iOS for the first time, users see a prompt for finding local network devices. The following picture shows the pop-up prompt:
+
+![](../../pictures/ios_14_privacy.png)
+
+**Solution**: [https://docs.agora.io/en/faq/local_network_privacy]()
+
 ## Prerequisites
 
 - Xcode 11.0+
diff --git a/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.zh.md b/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.zh.md
index 4d1529ab..00236784 100644
--- a/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.zh.md
+++ b/One-to-One-Video/Agora-iOS-Tutorial-SwiftUI-1to1/README.zh.md
@@ -10,6 +10,13 @@
 - 静音和解除静音；
 - 切换前置摄像头和后置摄像头；
 
+## 问题描述
+iOS 系统版本升级至 14.0 版本后，用户首次使用集成了声网 iOS 语音或视频 SDK 的 app 时会看到查找本地网络设备的弹窗提示。默认弹窗界面如下图所示：
+
+![](../../pictures/ios_14_privacy_zh.png)
+
+**解决方案**: [https://docs.agora.io/cn/faq/local_network_privacy]()
+
 ## 环境准备
 
 - XCode 11.0 +
diff --git a/pictures/ios_14_privacy.png b/pictures/ios_14_privacy.png
new file mode 100644
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diff --git a/pictures/ios_14_privacy_zh.png b/pictures/ios_14_privacy_zh.png
new file mode 100644
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