how to s-off htc 10 8.0 oreo?

hi,

how to S-OFF htc 10 8.0.0 oreo support only 7.1.1 how to downgrade 7.0 please help me! cid number 034

Reading information...
Using Fastboot mode...
Reading common information
(bootloader) kernel: lk
(bootloader) product: htc_pmeuhl
(bootloader) version: 1.0
(bootloader) max-download-size: 1578400000
(bootloader) serialno: FA64EBN01763
(bootloader) slot-count: 0
(bootloader) current-slot:
(bootloader) imei: 35426107********
(bootloader) version-main: 3.16.401.2
(bootloader) boot-mode: download
(bootloader) version-baseband: 2.0.U010241a@71204
(bootloader) version-bootloader: 1.0.0.0000
(bootloader) mid: 2PS620000
(bootloader) cid: HTC__034

flash file : 2PS6IMG_PERFUME_UHL_N70_SENSE80GP_MR...signed_2_4.zip

error log:

Starting flash process...
target rom version: 2.41.401.41
found large-zip header, file count: 25
processing file 1/25...
sending 'zip' (108173 KB)...
OKAY [ 5.356s]
writing 'zip'...
(bootloader) HOSD CL#1012001
(bootloader) ERR check AES encrypted magic string failed.
(bootloader) end@Done
FAILED (remote: 12 RU_ZIP_ERROR )
finished. total time: 7.426s
Flash process completed.
Flash not successfull, reboot will not be done