Teuku.Net - All smartphones running Android have a build-in protocol called USSD (Unstructured Supplementary Service Data). This allows Smartphone users to quickly access features on their Smartphone.
To use this secret code, you only need to enter the dial pad. No need to press 'Call', later the code will immediately direct you to the information you want to know.
Reporting from Life Wire, here is a list of secret codes on Android:
- *#*#2663#*#* - Display touch screen version information
- *#*#44336#*#* - Display phone build time
- *#*#3264#*#* - check RAM version
- *#*#1111#*#* - Display FTA software version
- *#*#2222#*#* - Display FTA hardware version
- *#*#232337#*# - View Bluetooth device address
- *#06# - View phone IMEI number
- *#*#232338#*#* - Display Wi-Fi network MAC address
- *#*#4986*2650468#*#* - View phone firmware information
- *#*#34971539#*#* - View camera firmware information
- *#*#1234#*#* - View phone firmware information including PDA software version
- *#03# - View NAND flash serial number
- *#*#7594#*#* - Change the behavior of the power button
- *#*#197328640#*#* - Access service mode to perform tests and change phone settings
- *#3001#12345#* - Access field mode and view information about local networks and cell towers
- *#3282*727336*# - View data storage and consumption information
- *#*#4636#*#* - Display battery information, WLAN status and usage statistics
- *#*#225#*#* - Display Calendar data stored on the phone
- *#2263# - Display RF band selection
- *#3282# - Get a text message with billing information
- *#0*# - Enter test mode (available on some devices only)
- *#*#1472365#*#* - Perform GPS test
- *#*#2664#*#* - Test the touch screen
- *#*#526#*#* - Perform WLAN test
- *#*#232331#*#* - Bluetooth test
- *#*#7262626#*#* - Performing Field Mode
- *#*#0842#*#* - Testing vibration and backlighting
- *#*#0283#*#* - Performing loopback test
- *#*#0588#*#* - Performing proximity sensor test
- *#*#0673#*#* or *#*#0289#*#* - Performing audio and melody tests
- #0782*# - Performing real-time clock tests
- *#*#426#*# - Run Google Play Services diagnostics
- *#0589# - Perform light sensor test
- *#0228# - Check battery status and details
- *#7284# - Access 12C USB mode control
- *#872564# - Access USB logging control
- *#3214789# - Display GCF mode status
- *#9090# - Display diagnostic configuration
- *#7353# - Open Quick test menu
- *#*#273282*255*663282*#*#* - Backup media files
- *#*#7780#*#* - Factory reset Android phone.
how, have you tried it? easy right?