Android Secret Codes *#

Android devices have a set of secret codes, often starting with `*` and `#`, which can be entered in the dialer app to access various hidden features, settings, and diagnostic tools. These codes can vary depending on the device manufacturer, model, and Android version, but here are some common ones along with their functions:

General Codes

1. *#06# 

Function : Displays the device’s IMEI (International Mobile Equipment Identity) number.

Use : This is a unique identifier for your device, useful for tracking or identifying the phone, especially if it gets lost or stolen.

2. *#*#4636#*#* 

Function : Opens a hidden menu with detailed information about your phone, battery, usage statistics, and Wi-Fi information.

Use : This is useful for checking battery health, signal strength, and app usage statistics.

3. *#*#7780#*#*  

Function : Performs a factory reset, wiping all user data and settings but keeping the operating system intact.

Use : Use this when you want to reset your phone to its original state without deleting system files.

4. *2767*3855#  

Function : Performs a full factory reset, wiping all data, including system files.

Use : This code is more thorough than the previous one and should be used with caution as it cannot be undone.

5. *#*#1472365#*#*  

Function : Tests GPS functionality.

Use : This is useful if you’re experiencing issues with GPS accuracy or performance.

6. *#*#232339#*#*  

Function : Tests Wi-Fi functionality.

Use : This helps diagnose issues with your Wi-Fi connection.

7. *#*#0842#*#*  

Function : Tests the vibration and backlight of the device.

Use : This can be used to check if your phone's vibration motor and backlight are functioning properly.

8. *#*#2664#*#*  

Function : Tests the touchscreen.

Use : This helps in identifying any dead zones or issues with touch sensitivity on your screen.

9. *#*#0*#*#*  

 Function : Opens the LCD test screen.

 Use : Use this to check for dead pixels, screen color accuracy, and other display issues.

10. *#*#34971539#*#*  

Function : Provides information about the phone's camera.

Use : Displays details like firmware version and camera sensor information.

Manufacturer-Specific Codes

These codes can vary by manufacturer (e.g., Samsung, HTC, LG) and may not work on all devices.

1. Samsung: *#0*#  

Function : Opens the general test mode on Samsung devices.

Use : Allows you to test various hardware components like sensors, speaker, screen, vibration, etc.

2. Samsung: *#1234#  

Function : Displays the firmware version of your Samsung device.

Use : Useful for checking your current software version for troubleshooting or updates.

3. HTC: *#*#3424#*#*  

Function : Opens the HTC function test program.

Use : This tool allows you to perform a variety of tests on your HTC device’s hardware.

4. Sony: *#*#7378423#*#*  

Function : Opens the service menu on Sony devices.

Use : This menu provides access to tests for hardware components like the display, camera, and sensors.

Caution

Use with Care : Some of these codes can make permanent changes to your device, such as factory resetting it. It’s important to use them with caution and understand their function before entering them.

Availability : Not all codes work on every Android device. Some codes may be specific to certain manufacturers or models.

These codes are typically used by developers, technicians, and advanced users to diagnose and fix issues, but they can be handy for any user who wants to understand more about their device.