[Moto G Q&A, Help & Troubleshooting] kehfren:
This is what happen

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash partit

ion gpt.bin

target max-sparse-size: 256MB

sending 'partition' (32 KB)...

OKAY [ 0.120s]

writing 'partition'...

(bootloader) This may take a few seconds, if a

(bootloader) different partition table is being

(bootloader) flashed since we need to backup

(bootloader) and restore a few partitions

(bootloader) Flashing primary GPT image...

(bootloader) Flashing backup GPT image...

OKAY [ 0.470s]

finished. total time: 0.590s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash motobo

ot motoboot.img

target max-sparse-size: 256MB

sending 'motoboot' (1953 KB)...

OKAY [ 0.110s]

writing 'motoboot'...

(bootloader) flashing tz ...

(bootloader) flashing rpm ...

(bootloader) flashing sdi ...

(bootloader) flashing aboot ...

(bootloader) flashing sbl1 ...

OKAY [ 1.250s]

finished. total time: 1.370s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash modem

NON-HLOS.bin

target max-sparse-size: 256MB

sending 'modem' (47152 KB)...

OKAY [ 1.770s]

writing 'modem'...

OKAY [ 1.250s]

finished. total time: 3.020s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash fsg fs

g.mbn

target max-sparse-size: 256MB

sending 'fsg' (102 KB)...

OKAY [ 0.080s]

writing 'fsg'...

OKAY [ 5.583s]

finished. total time: 5.663s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe erase modems

t1

erasing 'modemst1'...

OKAY [ 0.020s]

finished. total time: 0.020s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe erase modems

t2

erasing 'modemst2'...

OKAY [ 0.020s]

finished. total time: 0.020s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash logo l

ogo.bin

target max-sparse-size: 256MB

sending 'logo' (1060 KB)...

OKAY [ 0.120s]

writing 'logo'...

OKAY [ 0.090s]

finished. total time: 0.210s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash boot b

oot.img

target max-sparse-size: 256MB

sending 'boot' (10240 KB)...

OKAY [ 0.430s]

writing 'boot'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.490s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash recove

ry recovery.img

target max-sparse-size: 256MB

sending 'recovery' (10240 KB)...

OKAY [ 0.428s]

writing 'recovery'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.478s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash system

system.img_sparsechunk.0

target max-sparse-size: 256MB

sending 'system' (259277 KB)...

OKAY [ 9.548s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 9.718s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash system

system.img_sparsechunk.1

target max-sparse-size: 256MB

sending 'system' (247529 KB)...

OKAY [ 9.425s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 9.490s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe flash system

system.img_sparsechunk.2

target max-sparse-size: 256MB

sending 'system' (253351 KB)...

OKAY [ 9.184s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 9.249s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe erase cache

erasing 'cache'...

OKAY [ 0.390s]

finished. total time: 0.393s

C:\Users\Banks\Downloads\Restore Moto G\Restore Moto G>fastboot.exe erase userda

ta

erasing 'userdata'...

FAILED (remote failure)

finished. total time: 2.535s