karbonn a55i dead pls help

sir karbonn a55i hang on logo i flash sp tool but write flash 4% stuck. so set dead after whole flash formet write okk but not power on. and flash meraphi come this error pls help my set alive

Please insert USB cable now…
Detected : MTK USB Port (COM4)
Phone detected…Please wait
Sending DA agent, please wait…
NAND: (4Gb+2048Mb) [TOSHIBA] TYBC0A111557KC
Detecting high speed port, wait……
If driver not installed, install high speed port driver.
Detected : Mobistel DA USB VCOM Port (COM26)
Error FlashTool Download: S_DA_EMMC_FLASH_NOT_FOUND
After flash this firmware need to perform some aditional steps
1.Reinsert battery, keep VOL- and power on untill phone will come in factory mode
2.Select line EMMC, and after press home button.
3.Wait untill phone will restart and will stuck on logo(leave for 1 min in this stage).
4.If phone not power on, reinsert battery and perform direct unlock.
If repair fail, please contact us or report in forum to provide help.
Wait untill phone will start charging.
All done.