[RAZR HD Q&A, Help & Troubleshooting] jedi220987:
The same trouble, but without GPT failed. =)

Phone:

Partition (boot) Security Version Downgraded
preflash validation failed for boot
Partition (system) Security Version Downgraded
PIV block validation for system failed
Invalid PIV image: system

Console from desktop:

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash sbl1 sbl1.mbn
sending 'sbl1' (100 KB)...
OKAY [ 0.016s]
writing 'sbl1'...
OKAY [ 0.422s]
finished. total time: 0.437s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash sbl2 sbl2.mbn
sending 'sbl2' (126 KB)...
OKAY [ 0.016s]
writing 'sbl2'...
OKAY [ 0.734s]
finished. total time: 0.750s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash sbl3 sbl3.mbn
sending 'sbl3' (512 KB)...
OKAY [ 0.062s]
writing 'sbl3'...
OKAY [ 0.906s]
finished. total time: 0.969s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash rpm rpm.mbn
sending 'rpm' (140 KB)...
OKAY [ 0.031s]
writing 'rpm'...
OKAY [ 0.422s]
finished. total time: 0.453s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash tz tz.mbn
sending 'tz' (192 KB)...
OKAY [ 0.016s]
writing 'tz'...
OKAY [ 0.453s]
finished. total time: 0.469s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash aboot emmc_appsboot.mbn
sending 'aboot' (256 KB)...
OKAY [ 0.016s]
writing 'aboot'...
OKAY [ 0.672s]
finished. total time: 0.687s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot reboot-bootloader
rebooting into bootloader...
OKAY [ 0.016s]
finished. total time: 0.016s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
pause
Press any key to continue . . .

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash sbl1 sbl1.mbn
sending 'sbl1' (100 KB)...
OKAY [ 0.016s]
writing 'sbl1'...
OKAY [ 0.422s]
finished. total time: 0.437s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash sbl2 sbl2.mbn
sending 'sbl2' (126 KB)...
OKAY [ 0.016s]
writing 'sbl2'...
OKAY [ 0.719s]
finished. total time: 0.734s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash sbl3 sbl3.mbn
sending 'sbl3' (512 KB)...
OKAY [ 0.047s]
writing 'sbl3'...
OKAY [ 0.906s]
finished. total time: 0.953s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash rpm rpm.mbn
sending 'rpm' (140 KB)...
OKAY [ 0.016s]
writing 'rpm'...
OKAY [ 0.437s]
finished. total time: 0.453s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash tz tz.mbn
sending 'tz' (192 KB)...
OKAY [ 0.031s]
writing 'tz'...
OKAY [ 0.437s]
finished. total time: 0.469s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash aboot emmc_appsboot.mbn
sending 'aboot' (256 KB)...
OKAY [ 0.031s]
writing 'aboot'...
OKAY [ 0.672s]
finished. total time: 0.703s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash boot boot.img
sending 'boot' (10240 KB)...
OKAY [ 0.781s]
writing 'boot'...
Preflash validation failed
FAILED (remote failure)
finished. total time: 0.953s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash system system.img
sending 'system' (30720 KB)...
OKAY [ 2.312s]
writing 'system'...
Preflash validation failed
FAILED (remote failure)
finished. total time: 2.516s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash recovery recovery.img
sending 'recovery' (10240 KB)...
OKAY [ 0.766s]
writing 'recovery'...
OKAY [ 2.516s]
finished. total time: 3.281s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash modem NON-HLOS.bin
sending 'modem' (30720 KB)...
OKAY [ 2.297s]
writing 'modem'...
OKAY [ 0.875s]
sending 'modem' (17496 KB)...
OKAY [ 3.781s]
writing 'modem'...
OKAY [ 1.047s]
finished. total time: 8.000s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash devtree device_tree.bin
sending 'devtree' (512 KB)...
OKAY [ 0.047s]
writing 'devtree'...
OKAY [ 0.469s]
finished. total time: 0.516s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash logo logo.bin
sending 'logo' (1709 KB)...
OKAY [ 0.141s]
writing 'logo'...
OKAY [ 1.109s]
finished. total time: 1.250s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash cdrom cdrom
sending 'cdrom' (30720 KB)...
OKAY [ 2.312s]
writing 'cdrom'...
OKAY [ 2.906s]
sending 'cdrom' (22538 KB)...
OKAY [ 4.141s]
writing 'cdrom'...
OKAY [ 2.391s]
finished. total time: 11.750s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot erase modemst1
erasing 'modemst1'...
OKAY [ 0.594s]
finished. total time: 0.594s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot erase modemst2
erasing 'modemst2'...
OKAY [ 0.594s]
finished. total time: 0.594s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot flash fsg fsg.mbn
sending 'fsg' (2704 KB)...
OKAY [ 0.203s]
writing 'fsg'...
OKAY [ 1.062s]
finished. total time: 1.266s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot erase cache
erasing 'cache'...
OKAY [ 0.969s]
finished. total time: 0.969s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot erase userdata
erasing 'userdata'...
OKAY [ 7.016s]
finished. total time: 7.016s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
fastboot erase tombstones
erasing 'tombstones'...
OKAY [ 0.719s]
finished. total time: 0.719s

c:\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml\VZW_XT926_4.1.1_9.8.1Q_39_VQW_CFC.xml>
pause
Press any key to continue . . .