On this page, you will find the Download link of Micromax GC257 Firmware (flash file), which can be flashed on the device to fix it without the need of any other software.
Micromax GC257 Firmware comes as a zip file and is of 10 MB in size. Firstly, You need to extract the zip file on your computer and flash it using the flashtool.
The file version of Micromax GC257 Firmware is V2 and it was released on 11/10/2011.
File Name: Micromax_GC257_V2_12102011.zip
Alternate Name: Micromax GC257 V2 12102011
File Size: 10 MB
Released date: 11/10/2011