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

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