Hello

here is the manual for VOS3000 2.1.9.07 Version but this is completely chinese manual, original developer did not created any english manual for this version but for chinese client they can download this manual from here

Here is the download link: http://vos3000.com/downloads/VOS3000_Chinese_Manual_2.1.9.07_(VOS3000.Com)-vos300021907.pdf

http://vos3000.com/downloads/VOS3000_Chinese_Manual_2.1.9.07_(VOS3000.Com)-vos300021907.pdf

Let me know if anymore help needed in whatsapp: +8801911119966 (whatsapp only)

Thanks