[Moto G Q&A, Help & Troubleshooting] Matthew931:
C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>mfastboot flash partition gpt.bin

'mfastboot' is not recognized as an internal or external command,

operable program or batch file.

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash partition gpt.bin

target reported max download size of 536870912 bytes

sending 'partition' (32 KB)...

OKAY [ 0.029s]

writing 'partition'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.322s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash logo logo.bin

target reported max download size of 536870912 bytes

sending 'logo' (619 KB)...

OKAY [ 0.074s]

writing 'logo'...

OKAY [ 0.101s]

finished. total time: 0.178s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash boot boot.img

target reported max download size of 536870912 bytes

sending 'boot' (10240 KB)...

OKAY [ 0.382s]

writing 'boot'...

OKAY [ 0.817s]

finished. total time: 1.200s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash recovery recovery.img

target reported max download size of 536870912 bytes

sending 'recovery' (10240 KB)...

OKAY [ 0.391s]

writing 'recovery'...

OKAY [ 0.808s]

finished. total time: 1.202s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash system system.img_sparse

chunk1

target reported max download size of 536870912 bytes

erasing 'system'...

(bootloader) Erase allowed in unlocked state

OKAY [ 0.255s]

sending 'system' (248502 KB)...

OKAY [ 8.223s]

writing 'system'...

OKAY [ 12.726s]

finished. total time: 21.211s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash system system.img_sparse

chunk2

target reported max download size of 536870912 bytes

erasing 'system'...

(bootloader) Erase allowed in unlocked state

OKAY [ 0.252s]

sending 'system' (251514 KB)...

OKAY [ 8.306s]

writing 'system'...

OKAY [ 12.078s]

finished. total time: 20.639s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash system system.img_sparse

chunk3

target reported max download size of 536870912 bytes

erasing 'system'...

(bootloader) Erase allowed in unlocked state

OKAY [ 0.261s]

sending 'system' (237909 KB)...

OKAY [ 7.870s]

writing 'system'...

OKAY [ 20.285s]

finished. total time: 28.418s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash modem NON-HLOS.bin

target reported max download size of 536870912 bytes

sending 'modem' (47484 KB)...

OKAY [ 1.611s]

writing 'modem'...

OKAY [ 1.626s]

finished. total time: 3.239s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot erase modemst1

erasing 'modemst1'...

OKAY [ 0.068s]

finished. total time: 0.069s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot erase modemst2

erasing 'modemst2'...

OKAY [ 0.067s]

finished. total time: 0.068s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot flash fsg fsg.mbn

target reported max download size of 536870912 bytes

sending 'fsg' (255 KB)...

OKAY [ 0.105s]

writing 'fsg'...

OKAY [ 5.270s]

finished. total time: 5.376s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot erase cache

******** Did you mean to fastboot format this partition?

erasing 'cache'...

OKAY [ 0.193s]

finished. total time: 0.194s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot erase userdata

erasing 'userdata'...

OKAY [ 0.506s]

finished. total time: 0.507s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>fastboot reboot

rebooting...

finished. total time: 0.002s

C:\Users\Matthew\Downloads\ACG_XT1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml\ACG_XT

1031_4.4.2_KXB20.9-1.10-1.43_CFC_1FF.xml>