[Moto G Q&A, Help & Troubleshooting] blior32017:
this is the log

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash partition gpt.bin

target max-sparse-size: 256MB

sending 'partition' (32 KB)...

OKAY [ 0.031s]

writing 'partition'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.328s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash motoboot motoboot.img

target max-sparse-size: 256MB

sending 'motoboot' (1953 KB)...

OKAY [ 0.094s]

writing 'motoboot'...

(bootloader) Motoboot: Preflash validation for tz

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.344s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash logo logo.bin

target max-sparse-size: 256MB

sending 'logo' (76 KB)...

OKAY [ 0.063s]

writing 'logo'...

OKAY [ 0.094s]

finished. total time: 0.156s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash boot boot.img

target max-sparse-size: 256MB

sending 'boot' (10240 KB)...

OKAY [ 0.350s]

writing 'boot'...

OKAY [ 0.766s]

finished. total time: 1.116s

D:\minimal_adb_fastboot_1.4.1_portable>

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash recovery recovery.img

target max-sparse-size: 256MB

sending 'recovery' (10240 KB)...

OKAY [ 0.359s]

writing 'recovery'...

OKAY [ 0.771s]

finished. total time: 1.130s

D:\minimal_adb_fastboot_1.4.1_portable>

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash system system.img_sparsechunk.0

target max-sparse-size: 256MB

sending 'system' (257288 KB)...

OKAY [ 8.092s]

writing 'system'...

OKAY [ 12.700s]

finished. total time: 20.791s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash system system.img_sparsechunk.1

target max-sparse-size: 256MB

sending 'system' (260792 KB)...

OKAY [ 8.192s]

writing 'system'...

OKAY [ 11.742s]

finished. total time: 19.949s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash system system.img_sparsechunk.2

target max-sparse-size: 256MB

sending 'system' (262141 KB)...

OKAY [ 8.243s]

writing 'system'...

OKAY [ 13.915s]

finished. total time: 22.158s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash system system.img_sparsechunk.3

target max-sparse-size: 256MB

sending 'system' (18704 KB)...

OKAY [ 0.628s]

writing 'system'...

OKAY [ 0.853s]

finished. total time: 1.512s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash modem NON-HLOS.bin

target max-sparse-size: 256MB

sending 'modem' (49368 KB)...

OKAY [ 1.605s]

writing 'modem'...

OKAY [ 1.459s]

finished. total time: 3.064s

D:\minimal_adb_fastboot_1.4.1_portable>

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot erase modemst1

erasing 'modemst1'...

OKAY [ 0.016s]

finished. total time: 0.016s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot erase modemst2

erasing 'modemst2'...

OKAY [ 0.063s]

finished. total time: 0.063s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot flash fsg fsg.mbn

target max-sparse-size: 256MB

sending 'fsg' (708 KB)...

OKAY [ 0.109s]

writing 'fsg'...

OKAY [ 5.602s]

finished. total time: 5.712s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot erase cache

erasing 'cache'...

OKAY [ 0.359s]

finished. total time: 0.359s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot erase userdata

erasing 'userdata'...

OKAY [ 5.993s]

finished. total time: 5.993s

D:\minimal_adb_fastboot_1.4.1_portable>mfastboot reboot

rebooting...

finished. total time: 0.016s

D:\minimal_adb_fastboot_1.4.1_portable>