white samsung android smartphone on black textile

MMI (Man-Machine Interface) and USSD (Unstructured Supplementary Service Data) codes can give you greater controls over your Android devices. These codes unlock hidden features, give quick access to important information, and help with troubleshooting. This article explores various MMI and USSD codes, how they’re used, and how Android users can benefit from them.

Common MMI Codes for Android (Categorized)

FunctionCodeDescription
Device Information*#06#Displays device IMEI number
##4636##Displays phone information, usage statistics, and settings
##225##Displays calendar information
##49862650468##*Displays phone firmware information
##1111##Displays FTA software version
##2222##Displays FTA hardware version
##232337#*#Displays Bluetooth device address
##232338##Displays Wi-Fi MAC address
*#07#Displays SAR values and regulatory labels
Testing##2664##Touchscreen testing
##0842##Vibration and backlight test
##232339##Wi-Fi network test
##0588##Proximity sensor test
##1472365##GPS test
Settings##7594##Change power button behavior
##426##Google Play Services diagnostic
##197328640##Service mode
##34971539##Camera firmware information
#3282727336*#Data usage information
*#3282#Billing information
Reset27673855#Wipe device and reinstall firmware (use with extreme caution)
##7780##Factory reset
Carrier-Specific Codes*#31#Hide caller ID
*#43#Activate call waiting
*#67#Check call forwarding status
*#30#Display caller ID
Engineering Mode##2486##Engineering mode (Motorola)
*#888#Engineering mode (OnePlus)
Samsung-Specific Codes#0#Open hardware diagnostic
*#0228#Display battery information
*#0808#USB settings
*#9090#Advanced debugging tools

Important notes:

  • Not all codes work on all devices: Compatibility depends on device manufacturer and Android version.
  • Use with caution: Some codes can cause data loss or other unintended consequences.
  • Research before use: Consult device documentation or online resources for specific information about codes and their effects.
  • Carrier-specific codes: Additional codes may be available from your cellular carrier.
  • Samsung-specific codes: These codes are for Samsung devices only.

Key Takeaways

  • Access Hidden Features: Unlock hidden settings and features on your Android device.
  • Troubleshooting: Diagnose and solve common issues using specific codes.
  • Ease of Use: Quickly access important information without navigating through settings.
  • Device-Specific Codes: Some codes are universal, while others may work only on certain brands or models.

Types and Usage of MMI and USSD Codes

Understanding MMI and USSD Codes

  • MMI Codes: These are specific to smartphone manufacturers and allow access to hidden settings menus.
  • USSD Codes: Used by mobile carriers, these require a network connection and provide carrier-specific information.

How to Run These Codes

To use these codes, simply open the phone dialer and enter the code. Most will run automatically upon entering the final character, while some might require pressing the call button.


Essential MMI and USSD Codes for Android

General Android MMI and USSD Codes

  • Check IMEI Number: *#06#
  • Display Phone Information: *#*#4636#*#*
  • GPS System Test: *#*#1472365#*#*
  • Touchscreen Test: *#*#2664#*#*
  • Wi-Fi Test: *#*#232339#*#*
  • General Test Mode: *#0*#
  • Service Mode: *#*#197328640#*#*
  • Calendar Storage Data: *#*#225#*#*
  • Smartphone Battery Info: *#*#4636#*#*
  • Firmware Information: *#*#4986*2650468#*#*
  • Caller ID Toggle: *31#
  • Call Waiting: *43#
  • Check Call Forwarding: *#67#
  • Camera Information: *#*#34971539#*#*
  • System and Storage Details: *#3282*727336*#
  • MAC Address Display: *#*#232338#*#*
  • Google Play Services Info: *#*#426#*#*
  • Local Network Information: *3001#12345#*
  • SMS Message Center Number: 5005*7672#
  • Shut Down Device: *#*#7594#*#*
  • Factory Reset: *#*#7780#*#*
  • Firmware Reinstallation: *2767*3855#

Practical Applications and User Experiences

Real-World Scenarios

  • Lost or Stolen Device: Use the IMEI code *#06# to block a stolen phone.
  • Troubleshooting GPS Issues: Conduct a GPS test with *#*#1472365#*#* to determine if problems are hardware or software-related.
  • Battery Analysis: Use *#*#4636#*#* to monitor battery performance and plan replacements or upgrades.

Additional Secret Codes for Specific Brands

Samsung and Other Brands

  • Proximity Sensor Test: *#0588#
  • Hardware Diagnostic: *#0*# (Samsung specific)
  • Engineering Mode: *#888# (OnePlus specific)
  • Camera Info: *#34971539# (Samsung specific)

iPhone MMI Codes (For Reference)

  • Field Mode: *3001#12345#*
  • Call Forwarding: *#67#
  • Call Minutes: *646# (Postpaid)
  • Account Balance: *777# (Prepaid)

Similar Posts