[HTC U11  Questions & Answers] alexnaoumi:
unfortunately i tried that and it froze. I re-downloaded the zip, decrypted it and this is where I'm at now.

C:\Android\com>htc_fastboot reboot-bootloader

htc_fastboot v3.0.9.2 (2015-05-29)

rebooting into bootloader...

OKAY [ -0.000s]

finished. total time: -0.000s

htc_fastboot finished. total time: 0.354s

C:\Android\com>htc_fastboot flash hosd hosd_signed.img

htc_fastboot v3.0.9.2 (2015-05-29)

target reported max download size of 536870912 bytes

sending 'hosd' (42401 KB)...

OKAY [ 0.910s]

writing 'hosd'...

OKAY [ 0.300s]

finished. total time: 1.210s

htc_fastboot finished. total time: 1.658s

C:\Android\com>htc_fastboot oem rebootRUU

...

OKAY [ 0.000s]

finished. total time: 0.000s

htc_fastboot finished. total time: 0.285s

C:\Android\com>htc_fastboot flash zip 2PZCIMG_OCEAN_WHL_O80_SENSE90GP_MR_NA_Gen_Unlock_2.42.617.7.zip

htc_fastboot v3.0.9.2 (2015-05-29)

target rom version: 2.42.617.7

found large-zip header, file count: 28

processing file 1/28...

sending 'zip' (117321 KB)...

OKAY [ 4.549s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) GPT (gpt_main_64g_sda.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdb.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdc.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdd.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sde.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdf.img) is up-to-dated. [24576]

(bootloader) Perform pre-update

(bootloader) WARN Skip backup_android-info.txt due to unmatched partitio

(bootloader) n name

(bootloader) get 23 images from zip(zip_type=3)

(bootloader) start@23

(bootloader) apppreload.img@BYPASS

(bootloader) cota.img@BYPASS

(bootloader) xbl-8998-1.img@100%

(bootloader) hosd_signed.img@100%

(bootloader) apdp-8998-1.img@BYPASS

(bootloader) abl_signed.img@100%

(bootloader) rpm-8998-1.img@100%

(bootloader) pmic-8998-1.img@100%

(bootloader) boot_signed.img@BYPASS

(bootloader) recovery_signed.img@BYPASS

(bootloader) dsp.img@BYPASS

(bootloader) venus.img@BYPASS

(bootloader) tz-8998-1.img@100%

(bootloader) hyp-8998-1.img@100%

(bootloader) devcfg-8998-1.img@100%

(bootloader) cmnlib.img@100%

(bootloader) cmnlib64.img@100%

(bootloader) keymaster.img@100%

(bootloader) lockbooter.img@100%

(bootloader) hvbmeta.img@100%

(bootloader) splash1.nb0@BYPASS

(bootloader) bluetooth.img@BYPASS

(bootloader) radio.img@BYPASS

FAILED (remote: 90 hboot pre-update! please flush image again immediately )

finished. total time: 7.526s

preupdate done, rebooting...

resending command...

< waiting for device >

sending 'zip' (117321 KB)...

OKAY [ 4.350s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) GPT (gpt_main_64g_sda.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdb.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdc.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdd.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sde.img) is up-to-dated. [24576]

(bootloader) GPT (gpt_main_64g_sdf.img) is up-to-dated. [24576]

(bootloader) WARN Skip backup_android-info.txt due to unmatched partitio

(bootloader) n name

(bootloader) get 23 images from zip(zip_type=3)

(bootloader) start@23

(bootloader) apppreload.img@21%

(bootloader) apppreload.img@42%

(bootloader) apppreload.img@63%

(bootloader) apppreload.img@84%

(bootloader) apppreload.img@100%

(bootloader) cota.img@100%

(bootloader) xbl-8998-1.img@100%

(bootloader) hosd_signed.img@100%

(bootloader) apdp-8998-1.img@100%

(bootloader) abl_signed.img@100%

(bootloader) rpm-8998-1.img@100%

(bootloader) pmic-8998-1.img@100%

(bootloader) boot_signed.img@100%

(bootloader) recovery_signed.img@100%

(bootloader) dsp.img@100%

(bootloader) venus.img@100%

(bootloader) tz-8998-1.img@100%

(bootloader) hyp-8998-1.img@100%

(bootloader) devcfg-8998-1.img@100%

(bootloader) cmnlib.img@100%

(bootloader) cmnlib64.img@100%

(bootloader) keymaster.img@100%

(bootloader) lockbooter.img@100%

(bootloader) hvbmeta.img@100%

(bootloader) splash1.nb0@100%

(bootloader) bluetooth.img@100%

(bootloader) radio.img@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 10.539s]

finished. total time: 14.889s

processing file 2/28...

sending 'zip' (89712 KB)...

OKAY [ 3.600s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_00@43%

(bootloader) system.img_00@87%

(bootloader) system.img_00@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 5.254s]

finished. total time: 8.854s

processing file 3/28...

sending 'zip' (83862 KB)...

OKAY [ 3.489s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_01@43%

(bootloader) system.img_01@87%

(bootloader) system.img_01@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 5.113s]

finished. total time: 8.602s

processing file 4/28...

sending 'zip' (84808 KB)...

OKAY [ 3.622s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_02@43%

(bootloader) system.img_02@87%

(bootloader) system.img_02@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.999s]

finished. total time: 8.621s

processing file 5/28...

sending 'zip' (68600 KB)...

OKAY [ 3.152s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_03@46%

(bootloader) system.img_03@92%

(bootloader) system.img_03@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.804s]

finished. total time: 7.956s

processing file 6/28...

sending 'zip' (78106 KB)...

OKAY [ 3.445s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_04@44%

(bootloader) system.img_04@89%

(bootloader) system.img_04@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.922s]

finished. total time: 8.366s

processing file 7/28...

sending 'zip' (74903 KB)...

OKAY [ 3.297s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_05@49%

(bootloader) system.img_05@98%

(bootloader) system.img_05@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.814s]

finished. total time: 8.112s

processing file 8/28...

sending 'zip' (73586 KB)...

OKAY [ 3.252s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_06@43%

(bootloader) system.img_06@87%

(bootloader) system.img_06@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.866s]

finished. total time: 8.118s

processing file 9/28...

sending 'zip' (51182 KB)...

OKAY [ 2.551s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_07@50%

(bootloader) system.img_07@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.330s]

finished. total time: 6.881s

processing file 10/28...

sending 'zip' (68539 KB)...

OKAY [ 3.093s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_08@44%

(bootloader) system.img_08@88%

(bootloader) system.img_08@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.740s]

finished. total time: 7.833s

processing file 11/28...

sending 'zip' (71428 KB)...

OKAY [ 3.207s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_09@43%

(bootloader) system.img_09@87%

(bootloader) system.img_09@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.861s]

finished. total time: 8.067s

processing file 12/28...

sending 'zip' (65177 KB)...

OKAY [ 2.988s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_10@44%

(bootloader) system.img_10@88%

(bootloader) system.img_10@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.802s]

finished. total time: 7.790s

processing file 13/28...

sending 'zip' (54861 KB)...

OKAY [ 2.729s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_11@47%

(bootloader) system.img_11@94%

(bootloader) system.img_11@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.515s]

finished. total time: 7.243s

processing file 14/28...

sending 'zip' (77770 KB)...

OKAY [ 3.411s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_12@44%

(bootloader) system.img_12@88%

(bootloader) system.img_12@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.950s]

finished. total time: 8.367s

processing file 15/28...

sending 'zip' (116631 KB)...

OKAY [ 4.611s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_13@44%

(bootloader) system.img_13@88%

(bootloader) system.img_13@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 5.485s]

finished. total time: 10.096s

processing file 16/28...

sending 'zip' (94699 KB)...

OKAY [ 3.867s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_14@44%

(bootloader) system.img_14@89%

(bootloader) system.img_14@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 5.067s]

finished. total time: 8.934s

processing file 17/28...

sending 'zip' (78513 KB)...

OKAY [ 3.473s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_15@47%

(bootloader) system.img_15@94%

(bootloader) system.img_15@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.799s]

finished. total time: 8.272s

processing file 18/28...

sending 'zip' (75525 KB)...

OKAY [ 3.318s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_16@44%

(bootloader) system.img_16@88%

(bootloader) system.img_16@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.957s]

finished. total time: 8.275s

processing file 19/28...

sending 'zip' (75122 KB)...

OKAY [ 3.272s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_17@47%

(bootloader) system.img_17@94%

(bootloader) system.img_17@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.793s]

finished. total time: 8.065s

processing file 20/28...

sending 'zip' (79687 KB)...

OKAY [ 3.444s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_18@45%

(bootloader) system.img_18@90%

(bootloader) system.img_18@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.883s]

finished. total time: 8.327s

processing file 21/28...

sending 'zip' (79876 KB)...

OKAY [ 3.481s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_19@48%

(bootloader) system.img_19@97%

(bootloader) system.img_19@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.799s]

finished. total time: 8.281s

processing file 22/28...

sending 'zip' (76304 KB)...

OKAY [ 3.339s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_20@44%

(bootloader) system.img_20@88%

(bootloader) system.img_20@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.893s]

finished. total time: 8.232s

processing file 23/28...

sending 'zip' (74535 KB)...

Process Process-1:

Traceback (most recent call last):

File "C:\Python34\lib\multiprocessing\process.py", line 254, in _bootstrap

File "C:\Python34\lib\multiprocessing\process.py", line 93, in run

File "E:\largezip\htc_fastboot\htc_flashzip.py", line 207, in _do_extract

File "E:\largezip\htc_fastboot\rompack.py", line 49, in extract

File "C:\Python34\lib\zipfile.py", line 1118, in read

File "C:\Python34\lib\zipfile.py", line 749, in read

File "C:\Python34\lib\zipfile.py", line 853, in _read1

File "C:\Python34\lib\zipfile.py", line 781, in _update_crc

zipfile.BadZipFile: Bad CRC-32 for file 'zip_24.zip'

OKAY [ 3.298s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_21@44%

(bootloader) system.img_21@88%

(bootloader) system.img_21@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.873s]

finished. total time: 8.171s

processing file 24/28...

sending 'zip' (74795 KB)...

OKAY [ 3.373s]

writing 'zip'...

(bootloader) HOSD CL#1011554

(bootloader) get 1 images from zip(zip_type=3)

(bootloader) start@1

(bootloader) system.img_22@44%

(bootloader) system.img_22@89%

(bootloader) system.img_22@100%

(bootloader) Update zip file OK

(bootloader) end@Done

OKAY [ 4.829s]

finished. total time: 8.203s

processing file 25/28...

when I ran getvar all it showed the correct version I was trying to flash, so I honestly don't know why it keeps hanging on 'processing file 25/28'.