Glad to share Onda V116w Dual OS latest firmwares, please check below information:
Download link: Onda V116w Android firmware
Flash method: Dual boot upgrade method
(Note: Onda V116w Dual OS is with dual boot, Android OS with multi-languages, and Windows OS just with Chinese language. If you upgrade English language on Windows os, the Windows os will not be activated, but it can used normally.)
Have a nice day!