vivo engineering mode

When Google designed the Android system, it adhered to the principle of open source and openness to give users maximum control. Starting with Android version 1.5, Google has brought mobile phone engineering mode to users, which is a system-level hardware security management program. Through the mobile phone engineering mode, users can understand the most basic information of the mobile phone, such as the current network standard and network status, mobile phone hardware parameters and its providers, mobile phone application details, battery usage, restoring the phone to factory settings, etc. Those who have newly purchased a mobile phone can enter the mobile phone engineering mode to check the status of various hardware of the mobile phone. Mobile phone engineering mode is a system-level security management software that can view some parameters of the mobile phone.
VIVO mobile phone code:
#06# Mobile serial number # #4838# #*
Android engineering mode*# #7777# #*
Developer mode*#558#
vivo engineering mode*# #001# #*
vivoNV parameter*# #112# #* BBKlog*# #118# #*
Hide 3G switch*# #5806# #*
Show 3G switch*#4766#
MTK engineering mode (MTK chip available) # #10922768# #Sound
effect test*# #2768# #*
Sound effect Test *#08#
Data storage location selection (dual storage locations available) #09#
SIM card hot swap switch # #8255# #*
Gtalk service monitoring*# #4636# #*
Display mobile phone information, battery information, battery records, usage statistics, WiFi information*# # 2846579# #*
Display each hardware version of the mobile phone Information, APK information, etc.*# #7780# #*
Reset to original factory settings, default programs and SD card files will not be deleted. 2767 3855#
Resetting to original factory settings will delete all files on the SD card. # #34971539# #Display
camera firmware version, or update camera firmware*# #7594# #* A window will appear to switch phone modes, including: silent mode, airplane mode and shutdown. You can use the above code, Directly becomes the shutdown button. # #273283 255 663282*# #Open a place that allows you to back up media files, such as photos, sounds and videos. # #
197328640 # #Start service mode to test some settings of the phone and change settings WLAN, GPS and Bluetooth testing Code
# #232338# #Display WiFi MAC address*# #1472365# #* GPS test
# #1575# #Other GPS test*# #232331# #* Bluetooth test
# #232337# # Display Bluetooth device address # #8255# #*
Start GTalk service monitor Code to display mobile phone software version: # #1234# #Display
firmware information of PDA and Phone*# #1111# #*
FTA SW version*# #2222# #*
FTA HW version*# #0283# #*
Packet Loopback*# #0 # #
LCD test*# #0842# #*
Device test, such as vibration, brightness*#*#0