Android: secret codes to open hidden menus

For the simple user, the interest is usually small, but we love the hackers we are explore the contents smart phones. With this in mind, we present you a guide to master secret codes for Android devices.

List of main secret codes on Android

Before we “have fun” with all these little wonders, a few little clarifications. Some of these commands change behavior others can easily erase all data on device (random Full Reset and similar function). Also note that these codes are functional on Samsung, LG, Motorola, HTC, Sony and other brands.

On the other hand, codes sometimes it depends on the smartphones used, even versions of the installed operating system. We tried to compile the so-called “universal” codes, but not all of them will work on all devices. Feel free to send us your comments in the comments. Last advice, save your personal data to avoid any disappointment.

Nothing could be easier to use, just open the phone calls app and write the codes like dialing a phone number. Execution must be carried out immediately. If nothing happens, it is not working on this device.

Codes + Explanations
coded Definition
*#*#4636#*#* To view various phone, battery, and Wi-Fi information
*#34971539# Provides information about the device’s camera
*#2663# Provides device touchscreen information
*#1234# or *#44336# Find out the firmware version (displayed in “Settings” -> “About phone” -> “Build number”)
*#06# It gives the IMEI number, the identifier of the phone, like the IP address of a computer.
*#232337# Knowing the MAC address of your device is the physical identifier stored in the component that manages the SAMSUNG network part.
*#232338# Find out your device’s WLAN MAC address
*#*#8255#*#* Displays the GTalk service
*#7465625# Check the phone’s network lock (SIMLOCK)

Codes to test the screen and vital functions of the smartphone

The following secret codes are used to perform it: component testing smartphone or tablet. These are mainly diagnostic tools to identify the source of any fault. These commands can be useful for after-sales service or manufacturer’s repair service.

Hardware test code
coded Definition
*#0*# Tests the device’s screen and speakers
*#*#2664#*#* Performs touchscreen testing
*#0283# Loops between microphone and speakers
*#0588# Tests the device’s proximity sensor
*#0228# Displays battery statistics (also included with code) *#*#4636#*#* seen above)
*#0289# Play a test tune
*#0782# Shows the date and time set on the device
*#0842# Do a phone vibration test
*#0673# Tests the audio part (MP3) of the device
*#0011# Displays basic GSM phone information
*#4777*8665# Tests GPRS and device configuration menus
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The following codes are related to some very specific parameters of Android smartphone or tablet this time, handle it carefully :

Codes for parameters
coded Definition
*#782872# Qualcomm switches to USB mode
*#726872# Switches to standard USB mode
*#197328640# Code for root debug mode
*#2470# Enable or disable beep sound when taking photo with native app
*#78# Displays the Samsung device management settings menu.

This is probably the last party very sensitive However, since you have followed all our recommendations at the beginning of the file, you are no longer taking any serious risks. Neither I nor Moyens I/O can be held responsible for any problems arising from the use of these codes.

Codes for the system
coded Definition
*#9900# Recover system logs (RAM, kernel, modem) in files.
*#273283*255*663282*# Copies all multimedia data (photos, sounds, videos) from SD card to device internal memory
*2767*3855# Performs a “full reset” of the device (deletes all data)
*2767*2878# Performs a “custom reset” of the device, which resets all phone settings but does not delete saved data
**04*CPA*NP*NP# Allows you to change the PIN of your phone or tablet

Solution

Some codes work on some devices, not others, and vice versa. Indeed, depending on the manufacturers and installed ROMs, some are active or not. Do you use some of these codes with a smartphone or do you prefer going through more intuitive menus?