On this page, you will find the Download link of Yking Y40 Firmware (flash file), which can be flashed on the device to fix it without the need of any other software.
Yking Y40 Firmware comes as a zip file and is of 4 MB in size. Firstly, You need to extract the zip file on your computer and flash it using the flashtool.
The file version of Yking Y40 Firmware is v1 and it was released on 06/18/2014.
File Name: Yking_Y40_06182014.zip
Alternate Name: Yking Y40 06182014
File Size: 4 MB
Developer: Yking Mobile.
Released date: 06/18/2014