diff --git a/README.md b/README.md
index f583077..4392dae 100644
--- a/README.md
+++ b/README.md
@@ -44,6 +44,11 @@ pip3 install -U tidevice
 
 > 使用--trace选项可以查看socket数据流
 
+### 手机配置
+iOS 16的手机需要手工开启开发者选项。
+开启方法：设置->隐私与安全性->开发者模式 （打开），然后会提示重启 （点击 重新启动） -> 启动后会弹窗 是否打开“开发者模式”？（点击打开）
+
+
 ### 查看版本号
 ```bash
 $ tidevice version
diff --git a/README_EN.md b/README_EN.md
index 0c8fa03..7afc162 100644
--- a/README_EN.md
+++ b/README_EN.md
@@ -39,6 +39,15 @@ pip3 install -U tidevice
 
 ## Usage
 
+Use `--trace` can open socket log. For example: `tidevice --trace info`
+
+### iOS Setting
+iOS 16 need to Open Developer mode Manualy
+
+How to open
+
+Settings -> Privacy & Security -> Developer Mode -> (Turn switch ON) -> (Click "Restart") -> (Click "Turn On" when Dialog appears)
+
 ### Show version number
 ```bash
 $ tidevice version
diff --git a/tidevice/_safe_socket.py b/tidevice/_safe_socket.py
index b9a9fef..18645b4 100644
--- a/tidevice/_safe_socket.py
+++ b/tidevice/_safe_socket.py
@@ -127,7 +127,7 @@ def ssl_unwrap(self):
 
     def switch_to_ssl(self, pemfile):
         """ wrap socket to SSLSocket """
-        # logger.debug("Switch to ssl")
+        logger.debug("Socket({}): switch to ssl", self.id)
         assert os.path.isfile(pemfile)
         
         # https://docs.python.org/zh-cn/3/library/ssl.html#ssl.SSLContext