y511 flash error

customer brought y511 dead condition,someone tried to flash it with flash tool but no success ,it was stucked huawei logo before ? now it is in dead condition,I tried to flash with nck android tool and got this

Flash files count is :11
Action : Firmware update.
Selected Huawei: Ascend Y511-U30
Exe version: NCKBox AndroidMTK
Scenario: Full Flash
Reinsert phone battery.
Battery must be charged.
Phone must be off with battery inside.
Please insert USB cable now…
Detected : Huawei USB Port (COM24)
Phone detected…Please wait
Sending DA agent, please wait…
Connect error[4032]: S_FT_ENABLE_DRAM_FAIL
Boot Fail.!!!.
All done.
please help me?