[Desire Q&A, Help & Troubleshooting] arjaycabling:
Okay I'm done flashing your PB99IMG.zip via fastboot this is what I got:

C:\Android>fastboot devices
HT085PL01015 fastboot

C:\Android>fastboot erase cache
erasing 'cache'...
OKAY [ 0.509s]
finished. total time: 0.509s

C:\Android>fastboot flash zip PB99IMG.zip
sending 'zip' (154011 KB)...
OKAY [ 21.716s]
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) start image[hboot] unzipping for pre-update check...
(bootloader) start image[radio] unzipping & flushing...
(bootloader) [RUU]UZ,radio,0
(bootloader) [RUU]UZ,radio,7
(bootloader) [RUU]UZ,radio,15
(bootloader) [RUU]UZ,radio,23
(bootloader) [RUU]UZ,radio,31
(bootloader) [RUU]UZ,radio,39
(bootloader) [RUU]UZ,radio,47
(bootloader) [RUU]UZ,radio,54
(bootloader) [RUU]UZ,radio,59
(bootloader) [RUU]UZ,radio,66
(bootloader) [RUU]UZ,radio,74
(bootloader) [RUU]UZ,radio,82
(bootloader) [RUU]UZ,radio,90
(bootloader) [RUU]UZ,radio,97
(bootloader) [RUU]UZ,radio,100
(bootloader) [RUU]WP,radio,0
(bootloader) [RUU]WP,radio,6
(bootloader) [RUU]WP,radio,14
(bootloader) [RUU]WP,radio,100
(bootloader) start image[sp1] unzipping & flushing...
(bootloader) [RUU]UZ,sp1,0
(bootloader) [RUU]UZ,sp1,100
(bootloader) [RUU]WP,sp1,0
(bootloader) [RUU]WP,sp1,100
(bootloader) start image[recovery] unzipping & flushing...
(bootloader) [RUU]UZ,recovery,0
(bootloader) [RUU]UZ,recovery,35
(bootloader) [RUU]UZ,recovery,69
(bootloader) [RUU]UZ,recovery,100
(bootloader) [RUU]WP,recovery,0
(bootloader) [RUU]WP,recovery,33
(bootloader) [RUU]WP,recovery,66
(bootloader) [RUU]WP,recovery,99
(bootloader) [RUU]WP,recovery,100
(bootloader) start image[sp2] unzipping & flushing...
(bootloader) [RUU]UZ,sp2,0
(bootloader) [RUU]UZ,sp2,100
(bootloader) [RUU]WP,sp2,0
(bootloader) [RUU]WP,sp2,100
(bootloader) start image[rcdata] unzipping & flushing...
(bootloader) [RUU]UZ,rcdata,0
(bootloader) [RUU]WP,rcdata,0
(bootloader) [RUU]WP,rcdata,100
(bootloader) start image[hboot] unzipping & flushing...
(bootloader) [RUU]UZ,hboot,0
(bootloader) [RUU]UZ,hboot,100
(bootloader) [RUU]WP,hboot,0
(bootloader) [RUU]WP,hboot,100
(bootloader) start image[userdata] unzipping & flushing...
(bootloader) [RUU]UZ,userdata,0
(bootloader) [RUU]UZ,userdata,100
(bootloader) [RUU]WP,userdata,0
(bootloader) [RUU]WP,userdata,100
(bootloader) start image[system] unzipping & flushing...
(bootloader) [RUU]UZ,system,0
(bootloader) [RUU]UZ,system,3
(bootloader) [RUU]UZ,system,6
(bootloader) [RUU]UZ,system,9
(bootloader) [RUU]UZ,system,13
(bootloader) [RUU]UZ,system,16
(bootloader) [RUU]UZ,system,19
(bootloader) [RUU]UZ,system,22
(bootloader) [RUU]UZ,system,26
(bootloader) [RUU]UZ,system,29
(bootloader) [RUU]UZ,system,32
(bootloader) [RUU]UZ,system,35
(bootloader) [RUU]UZ,system,39
(bootloader) [RUU]UZ,system,42
(bootloader) [RUU]UZ,system,45
(bootloader) [RUU]UZ,system,49
(bootloader) [RUU]UZ,system,52
(bootloader) [RUU]WP,system,0
(bootloader) [RUU]WP,system,52
(bootloader) [RUU]UZ,system,52
(bootloader) [RUU]UZ,system,55
(bootloader) [RUU]UZ,system,58
(bootloader) [RUU]UZ,system,62
(bootloader) [RUU]UZ,system,65
(bootloader) [RUU]UZ,system,68
(bootloader) [RUU]UZ,system,72
(bootloader) [RUU]UZ,system,75
(bootloader) [RUU]UZ,system,78
(bootloader) [RUU]UZ,system,82
(bootloader) [RUU]UZ,system,85
(bootloader) [RUU]UZ,system,88
(bootloader) [RUU]UZ,system,92
(bootloader) [RUU]UZ,system,96
(bootloader) [RUU]UZ,system,99
(bootloader) [RUU]UZ,system,100
(bootloader) [RUU]WP,system,52
(bootloader) [RUU]WP,system,55
(bootloader) [RUU]WP,system,58
(bootloader) [RUU]WP,system,62
(bootloader) [RUU]WP,system,65
(bootloader) [RUU]WP,system,68
(bootloader) [RUU]WP,system,72
(bootloader) [RUU]WP,system,75
(bootloader) [RUU]WP,system,78
(bootloader) [RUU]WP,system,82
(bootloader) [RUU]WP,system,85
(bootloader) [RUU]WP,system,88
(bootloader) [RUU]WP,system,92
(bootloader) [RUU]WP,system,96
(bootloader) [RUU]WP,system,99
(bootloader) [RUU]WP,system,100
(bootloader) start image[boot] unzipping & flushing...
(bootloader) [RUU]UZ,boot,0
(bootloader) [RUU]UZ,boot,43
(bootloader) [RUU]UZ,boot,86
(bootloader) [RUU]UZ,boot,100
(bootloader) [RUU]WP,boot,0
(bootloader) [RUU]WP,boot,40
(bootloader) [RUU]WP,boot,81
(bootloader) [RUU]WP,boot,100
FAILED (remote: 51 partition update fail)
finished. total time: 149.403s

C:\Android>

on phone screen it says: