[Moto G4 Plus Questions & Answers] vikkyv:
my moto g4 plus moto g4 plus xt1643 is not starting up. I have done flashing stock rom and here is the command log

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot oem fb_mode_set

...

OKAY [ 0.002s]

finished. total time: 0.002s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash partition gpt.bin

target max-sparse-size: 256MB

sending 'partition' (32 KB)...

OKAY [ -0.000s]

writing 'partition'...

(bootloader) Flashing primary GPT image...

(bootloader) Flashing backup GPT image...

OKAY [ 0.100s]

finished. total time: 0.116s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash bootloader bootloader.img

target max-sparse-size: 256MB

sending 'bootloader' (3651 KB)...

OKAY [ 0.116s]

writing 'bootloader'...

(bootloader) validating: bootloader.default.xml ...

(bootloader) will pass: flash:aboot

(bootloader) will pass: flash:rpm

(bootloader) will pass: flash:tz

(bootloader) will pass: flash:hyp

(bootloader) will pass: flash:cmnlib

(bootloader) will pass: flash:keymaster

(bootloader) will pass: flash:sbl1

(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 'hyp.mbn' to 'hyp'

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

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

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

OKAY [ 0.448s]

finished. total time: 0.564s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash logo logo.bin

target max-sparse-size: 256MB

sending 'logo' (2186 KB)...

OKAY [ 0.084s]

writing 'logo'...

OKAY [ 0.063s]

finished. total time: 0.147s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash boot boot.img

target max-sparse-size: 256MB

sending 'boot' (16384 KB)...

OKAY [ 0.547s]

writing 'boot'...

(bootloader) Image signed with key bad key

OKAY [ 0.400s]

finished. total time: 0.947s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash recovery recovery.img

target max-sparse-size: 256MB

sending 'recovery' (16484 KB)...

OKAY [ 0.569s]

writing 'recovery'...

(bootloader) Image signed with key bad key

OKAY [ 0.432s]

finished. total time: 1.002s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash dsp adspso.bin

target max-sparse-size: 256MB

sending 'dsp' (16384 KB)...

OKAY [ 0.517s]

writing 'dsp'...

OKAY [ 0.238s]

finished. total time: 0.770s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash oem oem.img

target max-sparse-size: 256MB

sending 'oem' (96490 KB)...

OKAY [ 3.172s]

writing 'oem'...

OKAY [ 1.418s]

finished. total time: 4.590s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.0

target max-sparse-size: 256MB

sending 'system' (261013 KB)...

OKAY [ 8.682s]

writing 'system'...

OKAY [ 3.618s]

finished. total time: 12.300s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.1

target max-sparse-size: 256MB

sending 'system' (250842 KB)...

OKAY [ 8.132s]

writing 'system'...

OKAY [ 3.825s]

finished. total time: 11.957s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.2

target max-sparse-size: 256MB

sending 'system' (254485 KB)...

OKAY [ 8.209s]

writing 'system'...

OKAY [ 3.524s]

finished. total time: 11.733s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.3

target max-sparse-size: 256MB

sending 'system' (247298 KB)...

OKAY [ 8.175s]

writing 'system'...

OKAY [ 4.336s]

finished. total time: 12.527s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.4

target max-sparse-size: 256MB

sending 'system' (260398 KB)...

OKAY [ 8.653s]

writing 'system'...

OKAY [ 3.670s]

finished. total time: 12.323s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.5

target max-sparse-size: 256MB

sending 'system' (262041 KB)...

OKAY [ 8.737s]

writing 'system'...

OKAY [ 3.717s]

finished. total time: 12.469s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.6

target max-sparse-size: 256MB

sending 'system' (261941 KB)...

OKAY [ 8.705s]

writing 'system'...

OKAY [ 4.533s]

finished. total time: 13.258s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash system system.img_sparsechunk.7

target max-sparse-size: 256MB

sending 'system' (82497 KB)...

OKAY [ 2.750s]

writing 'system'...

OKAY [ 1.186s]

finished. total time: 3.936s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash modem NON-HLOS.bin

target max-sparse-size: 256MB

sending 'modem' (76954 KB)...

OKAY [ 2.502s]

writing 'modem'...

OKAY [ 1.118s]

finished. total time: 3.620s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot erase modemst1

erasing 'modemst1'...

OKAY [ 0.038s]

finished. total time: 0.038s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot erase modemst2

erasing 'modemst2'...

OKAY [ 0.031s]

finished. total time: 0.031s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot flash fsg fsg.mbn

target max-sparse-size: 256MB

sending 'fsg' (2032 KB)...

OKAY [ 0.069s]

writing 'fsg'...

OKAY [ 0.069s]

finished. total time: 0.153s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot erase cache

erasing 'cache'...

OKAY [ 0.031s]

finished. total time: 0.031s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot erase userdata

erasing 'userdata'...

OKAY [ 1.836s]

finished. total time: 1.851s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot erase customize

erasing 'customize'...

OKAY [ 0.016s]

finished. total time: 0.016s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot erase clogo

erasing 'clogo'...

OKAY [ 0.016s]

finished. total time: 0.016s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot oem fb_mode_ clear

...

(bootloader) 'fb_mode_' is not a supported oem command

(bootloader) See 'fastboot oem help'

FAILED (remote failure)

finished. total time: 0.000s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot oem fb_mode_clear

...

OKAY [ -0.000s]

finished. total time: -0.000s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>mfastboot reboot

rebooting...

finished. total time: -0.000s

C:\Users\Ghost\Downloads\Compressed\ATHENE_NPJS25.93-14-8_cid50_subsidy-DEFAULT_regulatory-DEFAULT_CFC.xml>pause

Press any key to continue . . .

It get stuck at M logo only.

I have tried all possible method for boot up normal boot, factory boot reboot through recovery mode

my bootloader is unlocked