[Moto E5 Guides, News, & Discussion] F_M_G:
Thank you for your respone, but I did as you said and the same thing happens..

C:\Users\xyz\Desktop\mfb>mfastboot -w

erasing 'userdata'...

OKAY [ 0.047s]

formatting 'userdata' partition...

Erase successful, but not automatically formatting.

File system type raw not supported.

OKAY [ -0.000s]

erasing 'cache'...

OKAY [ -0.000s]

formatting 'cache' partition...

Erase successful, but not automatically formatting.

File system type raw not supported.

OKAY [ 0.031s]

finished. total time: 0.094s

C:\Users\xyz\Desktop\mfb>mfastboot oem fb_mode_set

...

OKAY [ 0.016s]

finished. total time: 0.016s

C:\Users\xyz\Desktop\mfb>mfastboot flash partition gpt.bin

target max-sparse-size: 256MB

sending 'partition' (45 KB)...

OKAY [ -0.000s]

writing 'partition'...

(bootloader) Validating 'gpt.default.xml'

(bootloader) Security version downgrade

(bootloader) Image primary_gpt failed validation

(bootloader) Preflash validation failed

(bootloader) Cancelling 'gpt.default.xml'

FAILED (remote failure)

finished. total time: 0.078s

C:\Users\xyz\Desktop\mfb>mfastboot flash dsp adspso.bin

target max-sparse-size: 256MB

sending 'dsp' (16384 KB)...

OKAY [ 0.531s]

writing 'dsp'...

OKAY [ 0.312s]

finished. total time: 0.844s

C:\Users\xyz\Desktop\mfb>mfastboot flash bootloader bootloader.img

target max-sparse-size: 256MB

sending 'bootloader' (7483 KB)...

OKAY [ 0.250s]

writing 'bootloader'...

(bootloader) Validating 'bootloader.default.xml'

(bootloader) Committing 'bootloader.default.xml'

(bootloader) - flashing 'emmc_appsboot.mbn' to 'aboot'

(bootloader) - flashing 'rpm.mbn' to 'rpm'

(bootloader) - flashing 'tz.mbn' to 'tz'

(bootloader) - flashing 'devcfg.mbn' to 'devcfg'

(bootloader) - flashing 'cmnlib.mbn' to 'cmnlib'

(bootloader) - flashing 'cmnlib64.mbn' to 'cmnlib64'

(bootloader) - flashing 'keymaster.mbn' to 'keymaster'

(bootloader) - flashing 'prov.mbn' to 'prov'

(bootloader) - flashing 'sbl1.mbn' to 'sbl1'

OKAY [ 0.584s]

finished. total time: 0.850s

C:\Users\xyz\Desktop\mfb>mfastboot flash recovery recovery.img

target max-sparse-size: 256MB

sending 'recovery' (16484 KB)...

OKAY [ 0.531s]

writing 'recovery'...

(bootloader) Image signed with key bad key

OKAY [ 0.391s]

finished. total time: 0.937s

C:\Users\xyz\Desktop\mfb>mfastboot flash logo logo.bin

target max-sparse-size: 256MB

sending 'logo' (1425 KB)...

OKAY [ 0.047s]

writing 'logo'...

OKAY [ 0.078s]

finished. total time: 0.156s

C:\Users\xyz\Desktop\mfb>mfastboot flash boot boot.img

target max-sparse-size: 256MB

sending 'boot' (16384 KB)...

OKAY [ 0.531s]

writing 'boot'...

(bootloader) Image signed with key bad key

OKAY [ 0.359s]

finished. total time: 0.906s

C:\Users\xyz\Desktop\mfb>mfastboot flash modem NON-HLOS.bin

target max-sparse-size: 256MB

sending 'modem' (68666 KB)...

OKAY [ 2.203s]

writing 'modem'...

OKAY [ 0.984s]

finished. total time: 3.203s

C:\Users\xyz\Desktop\mfb>mfastboot erase modemst1

erasing 'modemst1'...

OKAY [ 0.016s]

finished. total time: 0.031s

C:\Users\xyz\Desktop\mfb>mfastboot erase modemst2

erasing 'modemst2'...

OKAY [ 0.016s]

finished. total time: 0.031s

C:\Users\xyz\Desktop\mfb>mfastboot flash fsg fsg.mbn

target max-sparse-size: 256MB

sending 'fsg' (6132 KB)...

OKAY [ 0.203s]

writing 'fsg'...

OKAY [ 0.125s]

finished. total time: 0.359s

C:\Users\xyz\Desktop\mfb>mfastboot flash system system.img_sparsechunk.0

target max-sparse-size: 256MB

Sparse-Flash is enabled!

sending sparse 'system' (255924 KB)...

OKAY [ 9.487s]

writing 'system'...

OKAY [ 3.629s]

sending sparse 'system' (257249 KB)...

OKAY [ 9.098s]

writing 'system'...

OKAY [ 3.294s]

sending sparse 'system' (9884 KB)...

OKAY [ 0.375s]

writing 'system'...

OKAY [ 0.125s]

finished. total time: 26.040s

C:\Users\xyz\Desktop\mfb>mfastboot flash system system.img_sparsechunk.1

target max-sparse-size: 256MB

Sparse-Flash is enabled!

sending sparse 'system' (261538 KB)...

OKAY [ 9.291s]

writing 'system'...

OKAY [ 3.378s]

sending sparse 'system' (242793 KB)...

OKAY [ 8.677s]

writing 'system'...

OKAY [ 3.109s]

finished. total time: 24.472s

C:\Users\xyz\Desktop\mfb>mfastboot flash system system.img_sparsechunk.2

target max-sparse-size: 256MB

Sparse-Flash is enabled!

sending sparse 'system' (244580 KB)...

OKAY [ 8.632s]

writing 'system'...

OKAY [ 3.187s]

sending sparse 'system' (223261 KB)...

OKAY [ 7.934s]

writing 'system'...

OKAY [ 2.881s]

finished. total time: 22.650s

C:\Users\xyz\Desktop\mfb>mfastboot flash system system.img_sparsechunk.3

target max-sparse-size: 256MB

Sparse-Flash is enabled!

sending sparse 'system' (254281 KB)...

OKAY [ 8.905s]

writing 'system'...

OKAY [ 3.328s]

sending sparse 'system' (257729 KB)...

OKAY [ 9.119s]

writing 'system'...

OKAY [ 3.297s]

finished. total time: 24.664s

C:\Users\xyz\Desktop\mfb>mfastboot erase DDR

erasing 'DDR'...

OKAY [ 0.016s]

finished. total time: 0.016s

C:\Users\xyz\Desktop\mfb>mfastboot erase cache

erasing 'cache'...

OKAY [ 0.016s]

finished. total time: 0.016s

C:\Users\xyz\Desktop\mfb>mfastboot erase userdata

erasing 'userdata'...

OKAY [ 0.063s]

finished. total time: 0.063s

C:\Users\xyz\Desktop\mfb>mfastboot flash oem oem.img

target max-sparse-size: 256MB

sending 'oem' (185838 KB)...

OKAY [ 5.956s]

writing 'oem'...

OKAY [ 2.437s]

finished. total time: 8.409s

C:\Users\xyz\Desktop\mfb>mfastboot flash vendor vendor.img

target max-sparse-size: 256MB

sending 'vendor' (228511 KB)...

OKAY [ 7.328s]

writing 'vendor'...

OKAY [ 3.344s]

finished. total time: 10.672s

C:\Users\xyz\Desktop\mfb>mfastboot oem fb_mode_clear

...

OKAY [ 0.016s]

finished. total time: 0.016s

C:\Users\xyz\Desktop\mfb>mfastboot reboot

rebooting...

finished. total time: 0.000s