[Upgrading, Modifying and Unlocking] ghettozo:
PS C:\Users\ghett\Downloads\ADB FASTBOOT FILES WINDOWS> fastboot getvar max-sparse-size

>> fastboot oem fb_mode_set

>> fastboot flash partition gpt.bin

>> fastboot flash bootloader bootloader.img

>> fastboot flash modem NON-HLOS.bin

>> fastboot flash fsg fsg.mbn

>> fastboot erase modemst1

>> fastboot erase modemst2

>> fastboot flash dsp adspso.bin

>> fastboot flash logo logo.bin

>> fastboot flash boot boot.img

>> fastboot flash recovery recovery.img

>> fastboot flash system system.img_sparsechunk.0

>> fastboot flash system system.img_sparsechunk.1

>> fastboot flash system system.img_sparsechunk.2

>> fastboot flash system system.img_sparsechunk.3

>> fastboot flash system system.img_sparsechunk.4

>> fastboot flash vendor vendor.img

>> fastboot flash oem oem.img

>> fastboot erase cache

>> fastboot erase userdata

>> fastboot erase DDR

>> fastboot oem fb_mode_clear

max-sparse-size: 268435456

finished. total time: 0.007s

...

OKAY [ 0.002s]

finished. total time: 0.003s

target reported max download size of 535822336 bytes

sending 'partition' (45 KB)...

OKAY [ 0.006s]

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: 0.140s

target reported max download size of 535822336 bytes

sending 'bootloader' (7483 KB)...

OKAY [ 0.240s]

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 [ 0.921s]

finished. total time: 1.168s

target reported max download size of 535822336 bytes

sending 'modem' (68742 KB)...

OKAY [ 2.183s]

writing 'modem'...

OKAY [ 1.723s]

finished. total time: 3.911s

target reported max download size of 535822336 bytes

sending 'fsg' (1760 KB)...

OKAY [ 0.079s]

writing 'fsg'...

OKAY [ 0.156s]

finished. total time: 0.238s

erasing 'modemst1'...

OKAY [ 0.058s]

finished. total time: 0.059s

erasing 'modemst2'...

OKAY [ 0.070s]

finished. total time: 0.096s

target reported max download size of 535822336 bytes

sending 'dsp' (16384 KB)...

OKAY [ 0.520s]

writing 'dsp'...

OKAY [ 0.479s]

finished. total time: 1.004s

target reported max download size of 535822336 bytes

sending 'logo' (1405 KB)...

OKAY [ 0.049s]

writing 'logo'...

OKAY [ 0.158s]

finished. total time: 0.211s

target reported max download size of 535822336 bytes

sending 'boot' (16384 KB)...

OKAY [ 0.533s]

writing 'boot'...

(bootloader) Image signed with key bad key

OKAY [ 0.562s]

finished. total time: 1.104s

target reported max download size of 535822336 bytes

sending 'recovery' (16484 KB)...

OKAY [ 0.532s]

writing 'recovery'...

(bootloader) Image signed with key bad key

OKAY [ 0.585s]

finished. total time: 1.119s

target reported max download size of 535822336 bytes

sending 'system' (513317 KB)...

OKAY [ 16.459s]

writing 'system'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 16.721s

target reported max download size of 535822336 bytes

sending 'system' (517076 KB)...

OKAY [ 16.456s]

writing 'system'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 16.496s

target reported max download size of 535822336 bytes

sending 'system' (477438 KB)...

OKAY [ 15.186s]

writing 'system'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 15.202s

target reported max download size of 535822336 bytes

sending 'system' (523258 KB)...

OKAY [ 16.751s]

writing 'system'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 16.814s

target reported max download size of 535822336 bytes

sending 'system' (157403 KB)...

OKAY [ 5.000s]

writing 'system'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.015s

target reported max download size of 535822336 bytes

sending 'vendor' (220487 KB)...

OKAY [ 7.197s]

writing 'vendor'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 7.275s

target reported max download size of 535822336 bytes

sending 'oem' (167774 KB)...

OKAY [ 5.312s]

writing 'oem'...

(bootloader) Preflash validation failed

FAILED (remote failure)

finished. total time: 5.328s

erasing 'cache'...

OKAY [ 0.016s]

finished. total time: 0.109s

erasing 'userdata'...

OKAY [ 0.078s]

finished. total time: 0.078s

erasing 'DDR'...

OKAY [ -0.000s]

finished. total time: -0.000s

...

OKAY [ 0.016s]

finished. total time: 0.016s

PS C:\Users\ghett\Downloads\ADB FASTBOOT FILES WINDOWS>