[One (M7) Q&A, Help & Troubleshooting] h5ha:
after flash M7_UL_Firmware_7.19.401.2.zip i get black screen

C:\ADB>fastboot flash zip M7_UL_Firmware_7.19.401.2.zip

target reported max download size of 1514139648 bytes

sending 'zip' (48659 KB)...

OKAY [ 3.281s]

writing 'zip'...

(bootloader) adopting the signature contained in this image...

(bootloader) signature checking...

(bootloader) zip header checking...

(bootloader) zip info parsing...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) checking main version...

(bootloader) checking hboot version...

(bootloader) start image[hboot] unzipping for pre-update check...

(bootloader) start image[hboot] flushing...

(bootloader) signature checking...

(bootloader) [RUU]WP,hboot,0

(bootloader) [RUU]WP,hboot,99

(bootloader) [RUU]WP,hboot,100

(bootloader) ...... Successful

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

finished. total time: 10.047s

C:\ADB>fastboot flash zip M7_UL_Firmware_7.19.401.2.zipfastboot flash zip M7_UL_

Firmware_7.19.401.2.zip

< waiting for device >

error: cannot load 'M7_UL_Firmware_7.19.401.2.zipfastboot'

C:\ADB>fastboot flash zip M7_UL_Firmware_7.19.401.2.zip

target reported max download size of 1514139648 bytes

sending 'zip' (48659 KB)...

OKAY [ 3.274s]

writing 'zip'...

(bootloader) adopting the signature contained in this image...

(bootloader) signature checking...

(bootloader) zip header checking...

(bootloader) zip info parsing...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) checking main version...

(bootloader) checking hboot version...

(bootloader) start image[adsp] unzipping & flushing...

(bootloader) [RUU]UZ,adsp,0

(bootloader) [RUU]UZ,adsp,16

(bootloader) [RUU]UZ,adsp,26

(bootloader) [RUU]UZ,adsp,37

(bootloader) [RUU]UZ,adsp,49

(bootloader) [RUU]UZ,adsp,60

(bootloader) [RUU]UZ,adsp,71

(bootloader) [RUU]UZ,adsp,82

(bootloader) [RUU]UZ,adsp,94

(bootloader) [RUU]UZ,adsp,100

(bootloader) [RUU]WP,adsp,0

(bootloader) [RUU]WP,adsp,100

(bootloader) ...... Successful

(bootloader) start image[boot] unzipping & flushing...

(bootloader) [RUU]UZ,boot,0

(bootloader) [RUU]UZ,boot,12

(bootloader) [RUU]UZ,boot,22

(bootloader) [RUU]UZ,boot,33

(bootloader) [RUU]UZ,boot,44

(bootloader) [RUU]UZ,boot,56

(bootloader) [RUU]UZ,boot,68

(bootloader) [RUU]UZ,boot,80

(bootloader) [RUU]UZ,boot,91

(bootloader) [RUU]UZ,boot,100

(bootloader) [RUU]WP,boot,0

(bootloader) [RUU]WP,boot,99

(bootloader) [RUU]WP,boot,100

(bootloader) ...... Successful

(bootloader) start image[recovery] unzipping & flushing...

(bootloader) [RUU]UZ,recovery,0

(bootloader) [RUU]UZ,recovery,6

(bootloader) [RUU]UZ,recovery,12

(bootloader) [RUU]UZ,recovery,20

(bootloader) [RUU]UZ,recovery,27

(bootloader) [RUU]UZ,recovery,37

(bootloader) [RUU]UZ,recovery,43

(bootloader) [RUU]UZ,recovery,62

(bootloader) [RUU]UZ,recovery,68

(bootloader) [RUU]UZ,recovery,76

(bootloader) [RUU]UZ,recovery,85

(bootloader) [RUU]UZ,recovery,92

(bootloader) [RUU]UZ,recovery,99

(bootloader) [RUU]UZ,recovery,100

(bootloader) [RUU]WP,recovery,0

(bootloader) [RUU]WP,recovery,99

(bootloader) [RUU]WP,recovery,100

(bootloader) ...... Successful

(bootloader) start image[sbl1-1] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-1,0

(bootloader) [RUU]UZ,sbl1-1,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl1-2] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-2,0

(bootloader) [RUU]UZ,sbl1-2,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl1-3] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-3,0

(bootloader) [RUU]UZ,sbl1-3,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[sbl1-4] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-4,0

(bootloader) [RUU]UZ,sbl1-4,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl1-5] unzipping & flushing...

(bootloader) [RUU]UZ,sbl1-5,0

(bootloader) [RUU]UZ,sbl1-5,100

(bootloader) signature checking...

(bootloader) verified fail

(bootloader) ..... Bypassed

(bootloader) start image[sbl2] unzipping & flushing...

(bootloader) [RUU]UZ,sbl2,0

(bootloader) [RUU]UZ,sbl2,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[sbl3] unzipping & flushing...

(bootloader) [RUU]UZ,sbl3,0

(bootloader) [RUU]UZ,sbl3,100

(bootloader) signature checking...

(bootloader) ...... Successful

(bootloader) start image[radio] unzipping & flushing...

(bootloader) [RUU]UZ,radio,0

(bootloader) [RUU]UZ,radio,6

(bootloader) [RUU]UZ,radio,11

(bootloader) [RUU]UZ,radio,17

(bootloader) [RUU]UZ,radio,23

(bootloader) [RUU]UZ,radio,28

(bootloader) [RUU]UZ,radio,34

(bootloader) [RUU]UZ,radio,40

(bootloader) [RUU]UZ,radio,46

(bootloader) [RUU]UZ,radio,52

(bootloader) [RUU]UZ,radio,59

(bootloader) [RUU]UZ,radio,69

(bootloader) [RUU]UZ,radio,75

(bootloader) [RUU]UZ,radio,80

(bootloader) [RUU]UZ,radio,87

(bootloader) [RUU]UZ,radio,92

(bootloader) [RUU]UZ,radio,99

(bootloader) [RUU]UZ,radio,100

(bootloader) [RUU]WP,radio,0

(bootloader) [RUU]WP,radio,23

(bootloader) [RUU]WP,radio,46

(bootloader) [RUU]WP,radio,69

(bootloader) [RUU]WP,radio,92

(bootloader) [RUU]WP,radio,100

(bootloader) ...... Successful

(bootloader) start image[rcdata] unzipping & flushing...

(bootloader) [RUU]UZ,rcdata,0

(bootloader) [RUU]WP,rcdata,0

(bootloader) ...... Successful

OKAY [ 26.146s]

finished. total time: 29.423s

C:\ADB>c

-----------------------------

C:\ADB>fastboot flash zip PN07IMG_M7_UL_L50_SENSE60_MR_HTC_Europe_7.19.401.2_Rad

io_4T.35.3218.16_10.33Q.1718.01L_release_421790_signed.zip

target reported max download size of 1514139648 bytes

Invalid sparse file format at header magi

error: write_sparse_skip_chunk: don't care size 162706427 is not a multiple of t

he block size 4096

sending sparse 'zip' (1478648 KB)...

error: write_sparse_skip_chunk: don't care size 162706427 is not a multiple of t

he block size 4096

error: write_sparse_skip_chunk: don't care size 162706427 is not a multiple of t

he block size 4096