On this page, you will find the Download link of Wing B5 6531D Firmware (flash file), which can be flashed on the device to fix it without the need of any other software.
Wing B5 6531D 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 Wing B5 6531D Firmware is V1 and it was released on 29/03/2015.
File Name: Wing_B5_6531D_29032015.zip
Alternate Name: Wing B5 6531D 29032015
File Size: 4 MB
Released date: 29/03/2015