[Moto G5S Plus Guides, News, & Discussion] vipinvijayp2:
Tried but got these errors

I have unlocked bootloader with stock rom flashed. I flashed stock rom from pixel experience without loosing imei.. i tried this commands and i got these error... please help me..

Sorry im posting all codes here..

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot oem lock

...

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

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

OKAY [ 0.016s]

finished. total time: 0.031s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot oem lock

...

(bootloader) Flash valid Android images now

(bootloader) Then re-run this command to lock

OKAY [ 0.016s]

finished. total time: 0.016s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash boot boot.img

target reported max download size of 536870912 bytes

sending 'boot' (16384 KB)...

OKAY [ 0.390s]

writing 'boot'...

(bootloader) Security version downgrade

(bootloader) Image boot failed validation

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.599s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash oem oem.img

target reported max download size of 536870912 bytes

sending 'oem' (335890 KB)...

OKAY [ 7.324s]

writing 'oem'...

(bootloader) Security version downgrade

(bootloader) Image o failed validation

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 7.433s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash system system.img_sparsechunk.0

target reported max download size of 536870912 bytes

sending 'system' (504257 KB)...

OKAY [ 11.071s]

writing 'system'...

(bootloader) Security version downgrade

(bootloader) Image s failed validation

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 11.274s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash system system.img_sparsechunk.1

target reported max download size of 536870912 bytes

sending 'system' (503878 KB)...

OKAY [ 10.958s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 11.067s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash system system.img_sparsechunk.2

target reported max download size of 536870912 bytes

sending 'system' (519870 KB)...

OKAY [ 11.317s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 11.374s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash system system.img_sparsechunk.3

target reported max download size of 536870912 bytes

sending 'system' (522900 KB)...

OKAY [ 11.348s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 11.379s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash system system.img_sparsechunk.4

target reported max download size of 536870912 bytes

sending 'system' (524018 KB)...

OKAY [ 11.325s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 11.372s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash system system.img_sparsechunk.5

target reported max download size of 536870912 bytes

sending 'system' (482943 KB)...

OKAY [ 10.508s]

writing 'system'...

(bootloader) Invalid signed image

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 10.554s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot flash boot boot.img

target reported max download size of 536870912 bytes

sending 'boot' (16384 KB)...

OKAY [ 0.396s]

writing 'boot'...

(bootloader) Security version downgrade

(bootloader) Image boot failed validation

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 0.615s

C:\Users\Vipin\Desktop\...Minimal ADB by Shu006>fastboot oem lock

...

(bootloader) Still require signed boot.img

OKAY [ 0.000s]

finished. total time: 0.016s