Welcome to Qun Hua (VOSONIC) website, we sincerely look forward to working with you for a long time.

4G Beidou visual platform       Customer service hotline     (86)400 696 1118


Thank you for your support of our products. 

If you encounter any problems, 

we will contact you to reply within 24 hours after submission.


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FIRMWARE DOWNLOAD

 ※ When downloading the firmware, use the computer terminal. The upgrade requires the device to be connected to the computer. ※ 


A1


A2


202109222028.download>>

  • Update the native delete function


202201141749.download>>

  • This version has a voice broadcast function, which can be optionally upgraded (non-essential)

COMMON PROBLEM


MANUAL ONLINE VIEW

  • A2 manual>>
  • A1 manual>>











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