[Moto G5 Plus Questions & Answers] Dorian Bowie:
Hi guys, i have a problem, the last week i cant try unlock the bootloader and try install root in my moto g5 plus, this moment is dead my phone , it´s hardbrick.. o i don´t know it´s briked, i trying revive the system and this makrs the next errors

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot devices

ZY224MLW8G fastboot

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot flash partition gpt.bin

target max-sparse-size: 256MB

sending 'partition' (45 KB)...

OKAY [ 0.004s]

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: 0.064s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot flash motoboot motoboot.img

target max-sparse-size: 256MB

error: cannot load 'motoboot.img': No error

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot flash logo logo.bin

target max-sparse-size: 256MB

sending 'logo' (2186 KB)...

OKAY [ 0.061s]

writing 'logo'...

OKAY [ 0.059s]

finished. total time: 0.124s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot flash boot boot.img

target max-sparse-size: 256MB

sending 'boot' (16384 KB)...

OKAY [ 0.456s]

writing 'boot'...

(bootloader) Image signed with key bad key

OKAY [ 0.238s]

finished. total time: 0.699s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot flash recovery recovery.img

target max-sparse-size: 256MB

sending 'recovery' (20580 KB)...

OKAY [ 0.580s]

writing 'recovery'...

(bootloader) Image signed with key bad key

OKAY [ 0.358s]

finished. total time: 0.950s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot.exe flash system system.img_sparsechunk.0

target max-sparse-size: 256MB

sending 'system' (258396 KB)...

OKAY [ 6.934s]

writing 'system'...

OKAY [ 1.927s]

finished. total time: 8.863s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot.exe flash system system.img_sparsechunk.1

target max-sparse-size: 256MB

sending 'system' (256514 KB)...

OKAY [ 6.865s]

writing 'system'...

OKAY [ 1.816s]

finished. total time: 8.689s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot.exe flash system system.img_sparsechunk.2

target max-sparse-size: 256MB

sending 'system' (246302 KB)...

OKAY [ 6.652s]

writing 'system'...

OKAY [ 2.220s]

finished. total time: 8.883s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot.exe flash system system.img_sparsechunk.3

target max-sparse-size: 256MB

sending 'system' (262141 KB)...

OKAY [ 7.266s]

writing 'system'...

OKAY [ 1.825s]

finished. total time: 9.094s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot flash modem NON-HLOS.bin

target max-sparse-size: 256MB

sending 'modem' (71921 KB)...

OKAY [ 1.973s]

writing 'modem'...

OKAY [ 0.595s]

finished. total time: 2.575s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot erase modemst1

erasing 'modemst1'...

OKAY [ 0.023s]

finished. total time: 0.025s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot erase modemst2

erasing 'modemst2'...

OKAY [ 0.033s]

finished. total time: 0.043s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot flash fsg fsg.mbn

target max-sparse-size: 256MB

sending 'fsg' (3012 KB)...

OKAY [ 0.091s]

writing 'fsg'...

OKAY [ 0.069s]

finished. total time: 0.163s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot erase cache

erasing 'cache'...

OKAY [ 0.021s]

finished. total time: 0.021s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot erase userdata

erasing 'userdata'...

OKAY [ 0.054s]

finished. total time: 0.055s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot oem lock

...

(bootloader) WARNING: This command erases all user data.

(bootloader) Please re-run this command to continue.

OKAY [ 0.008s]

finished. total time: 0.009s

C:\Users\david\Downloads\Desbloquear bootloader Moto g5 plus\Desbloquear bootloader\POTTER_RETAIL_8.1.0_OPS28.85-17-6-2_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>.\mfastboot reboot

rebooting...

even though I try to flash the original rom it keeps giving the errors and does not allow to start anything it returns to fastboot and does not start

if they got here, thank you

I will be attentive to your answers