*#*#4636#*#* - Shows information about your phone, battery and statistics about how you use *#*#34971539#*#* - Shows you comprehensive information on the phone's camera *#*#7594#*#*- Changes settings button Power. *#*#273283*255*663282*#*#*- You will quickly create a backup (backup) of media files. *#*#197328640#*#*- Enable test mode for certain services *#*#232339#*#* - Provide access to wireless connectivity tests *#*#526#*#*- Other tests for wireless module *#*#232338#*#*- Display Wi-fi MAC address *#*#1472365#*#*- Quick test GPS module (available only for phones with integrated GPS) *#*#1575#*#*- Advanced Test GPS module *#*#0283#*#*- Test packets sent feedback loop (loopback packet) *#*#0*#*#*- Test your phone's display *#*#0673#*#*or *#*#0289#*#* - Test your phone's audio system *#*#0842#*#*- Test module vibration and backlight system *#*#2663#*#*- Display touch screen version *#*#2664#*#*- Test sensitivity touchscreen *#*#0588#*#*- Test your phone's proximity sensor *#*#3264#*#*- Display version information of RAM *#*#232331#*#* - Bluetooth Module Test *#*#232337#*#- Paste address bluetooth phone or tablet *#*#7262626#*#* - Test cell signal and displays its power *#*#8255#*#*- Monitoring Google Talk *#*#4986*2650468#*#*- Show information hardware and firmware RF *#*#1234#*#*- Display the firmware version of your phone or tablet *#*#1111#*#*- Display OS version number *#*#2222#*#*- Shows hardware version *#06#- The universal secret code that shows your IMEI *#*#8351#*#*- Enables recording in log voice dial *#*#8350#*#*- Disable recording in log voice dial *#*#7780#*#* - Reset. Phone to factory settings. Delete all data and applications, except those contained in the operating system *2767*3855# - Completely resets the phone, erase all data and reinstall the firmware
