diff --git a/Code/scripts/README.md b/Code/scripts/README.md
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index 0000000..dbec378
--- /dev/null
+++ b/Code/scripts/README.md
@@ -0,0 +1,12 @@
+# Scripts code used in uConsole os image
+
+## uconsole-4g-cm4
+
+Bash script to PowerOn/PowerOff 4G ext module in uConsole.
+
+## audio_3.5_patch.py
+
+Python script to switch between 3.5 audio jack and speaker on uConsole when 3.5 audio jack plugged or not.
+
+
+
diff --git a/Code/scripts/audio_3.5_patch.py b/Code/scripts/audio_3.5_patch.py
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+++ b/Code/scripts/audio_3.5_patch.py
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+import os
+import time
+
+def init_gpio():
+    os.popen("pinctrl set 11 op")
+    os.popen("pinctrl set 10 ip pn")
+
+def check_3_5():
+    tmp = os.popen("pinctrl 10").readline().strip("\n")
+    return tmp
+
+
+def enable_speaker_gpio():
+    os.popen("pinctrl set 11 op dh")
+
+def disable_speaker_gpio():
+    os.popen("pinctrl set 11 op dl")
+
+init_gpio()
+
+while True:
+    tmp =  check_3_5()
+    if tmp == "10: ip    pn | lo // GPIO10 = input":
+        enable_speaker_gpio()
+    elif tmp == "10: ip    pn | hi // GPIO10 = input":
+        disable_speaker_gpio()
+    
+    time.sleep(1)
+
+
+
+