Y511-U30 TOOL DL IMAGE FAIL-tried two firmwares via usb-error at 83%-help

hang in logo problem-but after update via usb stop at 83%-now error is """" tool dl image fail"""""
tried below firmwares
Huawei_Ascend_Y511-U30_V100R001C328B120_Arab.rar
HUAWEI_Y511-U30_firmware_Android_4.2_V100R001C314B103_Thailand _Channel
both r error as below

help me