On this page, you will find the Download link of Symphony B13i Firmware (flash file), which can be flashed on the device to fix it without the need of any other software.
Symphony B13i Firmware comes as a zip file and is of 2 MB in size. Firstly, You need to extract the zip file on your computer and flash it using the flashtool.
The file version of Symphony B13i Firmware is V1 and it was released on 31/08/2016.
File Name: Symphony_B13i_31082016.zip
Alternate Name: Symphony B13i 31082016
File Size: 2 MB
Developer: Symphony Mobile.
Released date: 31/08/2016