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    USSD: Discover Android's Hidden Codes

    You might be wondering at this point, why would I need to know these hidden codes on my smartphone? Simple, one of these codes allows you to access the IMEI of your device. With it, in case of loss or theft, you can inform this number to your operator so that it blocks the smartphone service.

    Likewise, there are some other codes that we can use to access information, do tests or access hidden menus on our Android phones. However, some of these codes refuse to work on certain smartphone models or brands, but you can test each of them on yours.



    ALERT! Some of these codes can erase your smartphone data, so test at your own risk. It is always important to warn to prevent the unsuspecting from losing important data on their respective devices.

    Discover Android Secret Codes

    See below for available USSD codes for your Android. To enter these codes, simply access the default dialer application and use the number keys along with # and *.

    Code Description
    * # * # * # * # 4636 View information about phone, battery and usage statistics.
    * # * # * # * # 7780 Return the phone to its original factory state.
    Deletes app data and apps.
    * 2767 * 3855 # It does a complete wipe of your device and also reinstalls the phone's firmware
    * # * # * # * # 34971539 Shows complete information about the camera
    * # * # * # * # 7594 Changing power button behavior - enables direct shutdown once code is activated
    * # * # 273283 * 255 * 663282 * # * # * For a quick backup of all your media files
    * # * # * # * # 197328640 Enabling Test Mode for Service Activity
    * # * # * # * # 232339
    or *#*#526#*#*
    Wireless LAN Tests
    * # * # * # * # 232338 Displays Mac Wi-Fi address
    * # * # * # * # 1472365 For a quick GPS test
    * # * # * # * # 1575 A different type of GPS test
    * # * # * # * # 0283 Packet loopback test
    * # * # 0 * # * # * LCD display test
    * # * # * # * # 0673
    or *#*#0289#*#*
    audio test
    * # * # * # * # 0842 Vibration and backlight test
    * # * # * # * # 2663 Display the touch screen version
    * # * # * # * # 2664 Touch screen test
    * # * # * # * # 0588 Proximity sensor test
    * # * # * # * # 3264 Ram version
    * # * # * # * # 232331 Test the Bluetooth
    * # * # 232337 # * # Displays the Bluetooth device address
    * # * # * # * # 8255 For Google Talk service monitoring
    * # * # 4986 * 2650468 # * # * PDA, phone, hardware, RF call date firmware information
    * # * # * # * # 1234 PDA and phone firmware information
    * # * # * # * # 1111 FTA software version
    * # * # * # * # 2222 FTA hardware version
    * # * # * # * # 44336 Display build time and change list number
    * # # 06 Display IMEI number
    * # * # * # * # 8351 Activate voice dialing registration mode
    * # * # * # * # 8350 Disable voice dialing registration mode
    ##778 (+ call) Open the Epst menu

    USSD: Discover Android's Hidden Codes


    USSD codes (in the image you get the IMEI of your smartphone) and Developer Mode

    In addition, we have a developer option that can be accessed through the settings menu on your smartphone.


    • Go to Settings
    • About Phone (or System > About Phone)
    • Locate the build number and tap 7 times
    • You will see a message informing you that Developer Options are available.

    After that you will find in the system or directly in the Settings menu the item developer options. Here you can enable Debug Mode, manage Bluetooth, configure animation scales, how many apps can run in the background and many other things…



    Secret codes (mmi) for Xiaomi cell phones

    • *#*#64663#*#*: opens the test menu;
    • *#*#6485#*#*: provides information about the battery;
    • #*#564548#*#*: Displays information about the MIUI version.

    Secret codes (mmi) for Samsung cell phone

    • *#0*#: access the diagnostics menu;
    • *#011#: displays network and operator details;
    • * # 0228 #: show or status from bateria;
    • *#0283#: access the Loopback test;
    • *#0808#: opens USB settings;
    • *#1234#: access the software version and model details;
    • *#2663#: displays the firmware version details;
    • *#7353#: opens the quick test menu;
    • *#2683662#: access Service Mode;
    • *#34971539#: Displays camera firmware information.

    Secret codes (mmi) for Motorola cell phone

    • *#*#2486#*#*: opens the services menu;
    • *#07#: provides regulatory information;
    • ##7764726: Opens the Motorola Droid hidden service menu.
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