[One (M7) Q&A, Help & Troubleshooting] kierant516:
The htc fastboot, i downloaded through the link, it came already named as fastboot.exe

Edit:

Seem to have some progress now, just waiting to see if it works.

(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[recovery] unzipping & flushing...

(bootloader) [RUU]UZ,recovery,0

(bootloader) [RUU]UZ,recovery,8

(bootloader) [RUU]UZ,recovery,16

(bootloader) [RUU]UZ,recovery,24

(bootloader) [RUU]UZ,recovery,32

(bootloader) [RUU]UZ,recovery,37

(bootloader) [RUU]UZ,recovery,44

(bootloader) [RUU]UZ,recovery,62

(bootloader) [RUU]UZ,recovery,68

(bootloader) [RUU]UZ,recovery,76

(bootloader) [RUU]UZ,recovery,83

(bootloader) [RUU]UZ,recovery,88

(bootloader) [RUU]UZ,recovery,96

(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[boot] unzipping & flushing...

(bootloader) [RUU]UZ,boot,0

(bootloader) [RUU]UZ,boot,13

(bootloader) [RUU]UZ,boot,26

(bootloader) [RUU]UZ,boot,36

(bootloader) [RUU]UZ,boot,47

(bootloader) [RUU]UZ,boot,58

(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[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

sending 'zip'... (521930 KB) OKAY

sending time = 23.184 secs

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...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) checking main version...

(bootloader) checking hboot version...

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

(bootloader) [RUU]UZ,system,0

(bootloader) [RUU]UZ,system,7

(bootloader) [RUU]UZ,system,15

(bootloader) [RUU]UZ,system,23

(bootloader) [RUU]UZ,system,31

(bootloader) [RUU]UZ,system,39

(bootloader) [RUU]UZ,system,47

(bootloader) [RUU]UZ,system,55

(bootloader) [RUU]UZ,system,63

(bootloader) [RUU]UZ,system,71

(bootloader) [RUU]UZ,system,79

(bootloader) [RUU]UZ,system,87

(bootloader) [RUU]UZ,system,94

(bootloader) [RUU]WP,system,0

(bootloader) [RUU]WP,system,7

(bootloader) [RUU]WP,system,15

(bootloader) [RUU]WP,system,23

(bootloader) [RUU]WP,system,31

(bootloader) [RUU]WP,system,39

(bootloader) [RUU]WP,system,47

(bootloader) [RUU]WP,system,55

(bootloader) [RUU]WP,system,63

(bootloader) [RUU]WP,system,71

(bootloader) [RUU]WP,system,79

(bootloader) [RUU]WP,system,87

(bootloader) [RUU]WP,system,94

(bootloader) [RUU]UZ,system,94

(bootloader) [RUU]UZ,system,94

(bootloader) [RUU]UZ,system,94

(bootloader) [RUU]UZ,system,95

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,99

(bootloader) [RUU]UZ,system,100

(bootloader) [RUU]WP,system,94

(bootloader) [RUU]WP,system,95

(bootloader) [RUU]WP,system,97

(bootloader) [RUU]WP,system,100

(bootloader) ...... Successful

OKAY

sending 'zip'... (552062 KB) OKAY

sending time = 24.830 secs

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...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) checking main version...

(bootloader) checking hboot version...

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

(bootloader) [RUU]UZ,system,0

(bootloader) [RUU]UZ,system,7

(bootloader) [RUU]UZ,system,11

(bootloader) [RUU]UZ,system,19

(bootloader) [RUU]UZ,system,27

(bootloader) [RUU]UZ,system,36

(bootloader) [RUU]UZ,system,43

(bootloader) [RUU]UZ,system,47

(bootloader) [RUU]UZ,system,55

(bootloader) [RUU]UZ,system,63

(bootloader) [RUU]UZ,system,72

(bootloader) [RUU]UZ,system,79

(bootloader) [RUU]UZ,system,83

(bootloader) [RUU]UZ,system,90

(bootloader) [RUU]WP,system,0

(bootloader) [RUU]WP,system,7

(bootloader) [RUU]WP,system,11

(bootloader) [RUU]WP,system,19

(bootloader) [RUU]WP,system,27

(bootloader) [RUU]WP,system,36

(bootloader) [RUU]WP,system,43

(bootloader) [RUU]WP,system,47

(bootloader) [RUU]WP,system,55

(bootloader) [RUU]WP,system,63

(bootloader) [RUU]WP,system,72

(bootloader) [RUU]WP,system,79

(bootloader) [RUU]WP,system,83

(bootloader) [RUU]WP,system,90

(bootloader) [RUU]UZ,system,90

(bootloader) [RUU]UZ,system,90

(bootloader) [RUU]UZ,system,91

(bootloader) [RUU]UZ,system,91

(bootloader) [RUU]UZ,system,92

(bootloader) [RUU]UZ,system,93

(bootloader) [RUU]UZ,system,93

(bootloader) [RUU]UZ,system,94

(bootloader) [RUU]UZ,system,94

(bootloader) [RUU]UZ,system,95

(bootloader) [RUU]UZ,system,95

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,96

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,97

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,98

(bootloader) [RUU]UZ,system,99

(bootloader) [RUU]UZ,system,99

(bootloader) [RUU]UZ,system,100

(bootloader) [RUU]WP,system,90

(bootloader) [RUU]WP,system,92

(bootloader) [RUU]WP,system,94

(bootloader) [RUU]WP,system,96

(bootloader) [RUU]WP,system,98

(bootloader) [RUU]WP,system,100

(bootloader) ...... Successful

OKAY

sending 'zip'... (25433 KB) OKAY

sending time = 2.134 secs

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...

(bootloader) checking model ID...

(bootloader) checking custom ID...

(bootloader) checking main version...

(bootloader) checking hboot version...

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

(bootloader) [RUU]UZ,system,0

(bootloader) [RUU]UZ,system,8

(bootloader) [RUU]UZ,system,17

(bootloader) [RUU]UZ,system,27

(bootloader) [RUU]UZ,system,35

(bootloader) [RUU]UZ,system,44

(bootloader) [RUU]UZ,system,52

(bootloader) [RUU]UZ,system,60

(bootloader) [RUU]UZ,system,65

(bootloader) [RUU]UZ,system,73

Do i need to worry about this?:

FAIL90 hboot pre-update! please flush image again immediately

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

For "hboot-preupdate" response, restart the same procedure for device FA35NW9227

95...