Help.. YU4711 hang in logo...

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set come with hang in logo ... so i will try to hard rest but not going in recovery mode try pwr + vol up so fastboot mode and press pwr + down so open test menu in chiness language ... so try to reflash file download this one " YU_YU4711_V2_28.09.15 " after open tool " HQXA CustomerDL EMMC V1.15 150706 " select file and press ok so software verification tool open and start process and after few sec. fail ...

Current path:[C:\Users\Administrator\Desktop\YU_YU4711_V2_28.09. 15_(by_firmwarefile.com)\YU_YU4711_V2_28.09.15\Fir mware]. MD5 authentication started, please wait ... Check [MD5_DATA.xml] File self MD5 Value, Please wait... Check 1(All101)File[.\system_13.unsparse]MD5 Value, Please wait... Check 2(All101)File[.\system_18.unsparse]MD5 Value, Please wait... Check 3(All101)File[.\system_26.unsparse]MD5 Value, Please wait... Check 4(All101)File[.\system_5.unsparse]MD5 Value, Please wait... Check 5(All101)File[.\tz.mbn]MD5 Value, Please wait... File:[.\tz.mbn]MD5 Check fails! FAIL: Software version verification failed!


so how to solve this

thanks advance