[Moto G6 Questions & Answers] timelessxiii:
C:\adb>fastboot devices

ZL52249ZLW fastboot

C:\adb>fastboot flash partition gpt.bin

target reported max download size of 535822336 bytes

sending 'partition' (45 KB)...

OKAY [ 0.006s]

writing 'partition'...

(bootloader) no suitable package!

FAILED (remote failure)

finished. total time: 0.028s

C:\adb>fastboot flash bootloader bootloader.img

target reported max download size of 535822336 bytes

sending 'bootloader' (7483 KB)...

OKAY [ 0.261s]

writing 'bootloader'...

(bootloader) no suitable package!

FAILED (remote failure)

finished. total time: 0.290s

C:\adb>fastboot flash modem NON-HLOS.bin

target reported max download size of 535822336 bytes

sending 'modem' (68142 KB)...

OKAY [ 2.223s]

writing 'modem'...

OKAY [ 0.986s]

finished. total time: 3.215s

C:\adb>fastboot flash fsg fsg.mbn

target reported max download size of 535822336 bytes

sending 'fsg' (5188 KB)...

OKAY [ 0.176s]

writing 'fsg'...

OKAY [ 0.128s]

finished. total time: 0.311s

C:\adb>fastboot erase modemst1

erasing 'modemst1'...

OKAY [ 0.036s]

finished. total time: 0.038s

C:\adb>fastboot erase modemst2

erasing 'modemst2'...

OKAY [ 0.036s]

finished. total time: 0.038s

C:\adb>fastboot flash bluetooth BTFM.bin

error: cannot load 'BTFM.bin'

C:\adb>fastboot flash dsp dspso.bin

error: cannot load 'dspso.bin'

C:\adb>fastboot flash boot boot.img

target reported max download size of 535822336 bytes

sending 'boot' (16384 KB)...

OKAY [ 0.559s]

writing 'boot'...

(bootloader) Image signed with key bad key

OKAY [ 0.354s]

finished. total time: 0.919s

C:\adb>fastboot flash system system.img_sparsechunk.0

target reported max download size of 535822336 bytes

sending 'system' (512397 KB)...

OKAY [ 16.663s]

writing 'system'...

OKAY [ 6.223s]

finished. total time: 22.892s

C:\adb>fastboot flash system system.img_sparsechunk.1

target reported max download size of 535822336 bytes

sending 'system' (475855 KB)...

OKAY [ 15.484s]

writing 'system'...

OKAY [ 5.472s]

finished. total time: 20.963s

C:\adb>fastboot flash system system.img_sparsechunk.2

target reported max download size of 535822336 bytes

sending 'system' (523076 KB)...

OKAY [ 16.997s]

writing 'system'...

OKAY [ 6.090s]

finished. total time: 23.094s

C:\adb>fastboot flash system system.img_sparsechunk.3

target reported max download size of 535822336 bytes

sending 'system' (508867 KB)...

OKAY [ 16.536s]

writing 'system'...

OKAY [ 5.792s]

finished. total time: 22.334s

C:\adb>fastboot flash system system.img_sparsechunk.4

error: cannot load 'system.img_sparsechunk.4'

C:\adb>fastboot flash system system.img_sparsechunk.5

error: cannot load 'system.img_sparsechunk.5'

C:\adb>fastboot flash system system.img_sparsechunk.6

error: cannot load 'system.img_sparsechunk.6'

C:\adb>fastboot flash system system.img_sparsechunk.7

error: cannot load 'system.img_sparsechunk.7'

C:\adb>fastboot flash system system.img_sparsechunk.8

error: cannot load 'system.img_sparsechunk.8'

C:\adb>fastboot flash system system.img_sparsechunk.9

error: cannot load 'system.img_sparsechunk.9'

C:\adb>fastboot flash vendor vendor.img_sparsechunk.0

error: cannot load 'vendor.img_sparsechunk.0'

C:\adb>fastboot flash vendor vendor.img_sparsechunk.1

error: cannot load 'vendor.img_sparsechunk.1'

C:\adb>fastboot erase carrier

erasing 'carrier'...

OKAY [ 0.071s]

finished. total time: 0.072s

C:\adb>fastboot erase userdata

erasing 'userdata'...

OKAY [ 0.183s]

finished. total time: 0.186s

C:\adb>fastboot erase DDR

erasing 'DDR'...

OKAY [ 0.004s]

finished. total time: 0.006s

C:\adb>fastboot flash logo logo.bin

target reported max download size of 535822336 bytes

sending 'logo' (1423 KB)...

OKAY [ 0.053s]

writing 'logo'...

OKAY [ 0.090s]

finished. total time: 0.150s

C:\adb>fastboot reboot