1) faulty phone (a110)
2) tested flash file donload from here file password is madnishah
3) tested recovery file download here
4)SP_Flash_Tool_v5.1352.01 (download from google)
first download tested flash file and recovery file. thanks to irfan shahzad for sharing file .now extract a110 firmware.zip and replace recovery with inside recovery file (important step) then open sp flash tool and load scatter file when all files load click on download and connect your mobile with usb cable and w8 for complete.