0. Enter * # * # 64663 # * * to test the hardware of the whole millet. It can be used to judge whether it is a refurbished machine.
1.* # * # 7780 # * # Reset to factory settings, and the default program and SD card files will not be deleted.
2.*2767*3855# Resetting to the original factory settings will delete all files on the SD card.
3.* # * # 3497 1539 # * * shows the firmware version of the camera, or updates the camera firmware.
4.* # * # 7594 # * * Long press the power off button, and a window will appear to switch the phone modes, including silent mode, flight mode and power off. You can use the above code to directly turn it into a power off button.
5.*#*#4636#*#* Displays mobile phone information, battery information, battery records, usage statistics and WiFi information.
6.* # * # 273283 * 255 * 663282 * # * Open a location where you can back up media files (such as photos, sounds and movies).
7.* # * # 197328640 # * * Start the service mode, which can test some settings of the mobile phone and change the codes for setting WLAN, GPS and Bluetooth tests.
8.* # * # 232339 # * * or * # * # 526 # * * or * # * # 528 # * *-WLAN test.
9.* # * # 232338 # * # *- Displays the WiFiMAC address.
10. * # * #1472365 # * # *–GPS test
11.* # * #1575 # * *-Other GPS tests
12. * # * # 232331# * # *–Bluetooth test
13.*#*#232337#*#- Displays the address of the Bluetooth device.
14. * # * # 8255 # * * Start GTalk service monitor to display the code of mobile phone software version.
15. * # * # 4986 * 2650468 # * # *–PDA, telephone, hardware, RFCallDate
16. * # * #1234 # * # *–PDA and telephone
17. * # * #111# * *-ftasw version,
18. * # * # 2222 # * # *–FTA hardware version.
19. * # * # 44336 # * *-hardware test of PDA, telephone, csc, buildTime, anzhi.name and changelistnumber.
20.* # * # 0283 # * # *–packet loopback
21.* # * # 0 * # *-LCD test
22.* # * # 0673 # * # or * # * # 0289 # * *- Melody test
23. * # * # 0842 # * # *–Equipment testing, such as vibration and brightness.
24. * # * # 2663 # * # *–Touch screen version
25. * # * # 2664 # * # *–Touch Screen Testing
26. * # * # 0588 # * # *–proximity sensor testing
27.*#*#3264#*#*- Memory version