HTC Desire 820 LTE-A (D820n) flashing error plz help

HTC Desire 820 LTE-A (D820n) flashing error plz help
Starting flash process...
target rom version: 2.10.708.2
found large-zip header, file count: 8
processing file 1/8...
sending 'zip' (48840 KB)...
OKAY [ 3.202s]
writing 'zip'...
(bootloader) adopting the signature contained in this image...
(bootloader) signature checking...
(bootloader) rom parsing start ...
(bootloader) rom parsing finish ...
(bootloader) zip header checking...
(bootloader) zip info parsing...
FAILED (remote: 99 unknown fail)
finished. total time: 7.443s







info..


Reading information...
Using Fastboot mode...
Reading common information
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.19.0.0000
(bootloader) version-baseband: 01.01.010_U10305041_08.01.50512
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 2.10.708.103
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: HT63MYC01270
(bootloader) imei: 354920062126199
(bootloader) imei2: 354920062126207
(bootloader) meid: 00000000000000
(bootloader) product: a51_dtul
(bootloader) platform: hTCBmsm8939
(bootloader) modelid: 0PFJ10000
(bootloader) cidnum: HTC__622
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: RUU
(bootloader) commitno-bootloader: da038a09
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
(bootloader) mfg-name: 0001
all: Done!
finished. total time: 0.011s
htc_fastboot finished
Reading CID information
... (bootloader) cid: HTC__622
OKAY
finished. total time: 0.004s
htc_fastboot finished
Reading MEID information
... (bootloader) meid: 00000000000000
OKAY
finished. total time: 0.005s
htc_fastboot finished
Reading IMEI1 information
... (bootloader) imei: 354920062126199
OKAY
finished. total time: 0.004s
htc_fastboot finished
Reading IMEI2 information
... (bootloader) imei2: 354920062126207
OKAY
finished. total time: 0.005s
htc_fastboot finished
Reading secure flag information
... (bootloader) secure_flag: 3
OKAY
finished. total time: 0.005s
htc_fastboot finished
Reading serial number information
... (bootloader) [ERR] Command error !!!
OKAY
finished. total time: 0.005s
htc_fastboot finished
Reading color information
... (bootloader) [ERR] Command error !!!
OKAY
finished. total time: 0.005s
htc_fastboot finished
Read information completed.