[Moto G4 Plus Questions & Answers] tonymarschall-:
Thanks for your help.

Unfortunately it did not work. Here is what i did:

$ fastboot flash partition gpt.bin
(bootloader) has-slot:partition: not found
target reported max download size of 536870912 bytes
sending 'partition' (32 KB)...
OKAY [ 0.004s]
writing 'partition'...
(bootloader) Flashing primary GPT image...
(bootloader) Flashing backup GPT image...
OKAY [ 0.094s]
finished. total time: 0.097s
$ fastboot flash bootloader bootloader.img
(bootloader) has-slot:bootloader: not found
target reported max download size of 536870912 bytes
sending 'bootloader' (3651 KB)...
OKAY [ 0.123s]
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 [ 0.429s]
finished. total time: 0.552s
$ fastboot flash logo logo.bin
(bootloader) has-slot:logo: not found
target reported max download size of 536870912 bytes
sending 'logo' (2186 KB)...
OKAY [ 0.072s]
writing 'logo'...
OKAY [ 0.054s]
finished. total time: 0.127s
$ fastboot flash boot boot.img
(bootloader) has-slot:boot: not found
target reported max download size of 536870912 bytes
sending 'boot' (16384 KB)...
OKAY [ 0.545s]
writing 'boot'...
(bootloader) Image signed with key bad key

OKAY [ 0.419s]
finished. total time: 0.965s
$ fastboot flash recovery recovery.img
(bootloader) has-slot:recovery: not found
target reported max download size of 536870912 bytes
sending 'recovery' (16484 KB)...
OKAY [ 0.535s]
writing 'recovery'...
(bootloader) Image signed with key bad key

OKAY [ 0.421s]
finished. total time: 0.956s
$ fastboot flash dsp adspso.bin
(bootloader) has-slot:dsp: not found
target reported max download size of 536870912 bytes
sending 'dsp' (16384 KB)...
OKAY [ 0.527s]
writing 'dsp'...
OKAY [ 0.247s]
finished. total time: 0.774s
$ fastboot flash oem oem.img
(bootloader) has-slot:oem: not found
target reported max download size of 536870912 bytes
sending 'oem' (69480 KB)...
OKAY [ 2.228s]
writing 'oem'...
OKAY [ 1.001s]
finished. total time: 3.229s
$ fastboot flash system system.img_sparsechunk.0
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (256517 KB)...
OKAY [ 8.373s]
writing 'system'...
OKAY [ 3.811s]
finished. total time: 12.184s
$ fastboot flash system system.img_sparsechunk.1
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (258339 KB)...
OKAY [ 8.366s]
writing 'system'...
OKAY [ 3.448s]
finished. total time: 11.813s
$ fastboot flash system system.img_sparsechunk.2
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (260247 KB)...
OKAY [ 8.438s]
writing 'system'...
OKAY [ 3.500s]
finished. total time: 11.938s
$ fastboot flash system system.img_sparsechunk.3
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (261006 KB)...
OKAY [ 8.457s]
writing 'system'...
OKAY [ 3.460s]
finished. total time: 11.918s
$ fastboot flash system system.img_sparsechunk.4
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (258102 KB)...
OKAY [ 8.343s]
writing 'system'...
OKAY [ 3.353s]
finished. total time: 11.697s
$ fastboot flash system system.img_sparsechunk.5
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (262061 KB)...
OKAY [ 8.473s]
writing 'system'...
^[[AOKAY [ 3.393s]
finished. total time: 11.866s
$ fastboot flash system system.img_sparsechunk.6
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (244304 KB)...
OKAY [ 7.922s]
writing 'system'...
OKAY [ 3.709s]
finished. total time: 11.631s
$ fastboot flash system system.img_sparsechunk.7
(bootloader) has-slot:system: not found
target reported max download size of 536870912 bytes
sending 'system' (88696 KB)...
OKAY [ 2.849s]
writing 'system'...
OKAY [ 1.176s]
finished. total time: 4.025s
$ fastboot flash modem NON-HLOS.bin
(bootloader) has-slot:modem: not found
target reported max download size of 536870912 bytes
sending 'modem' (69401 KB)...
OKAY [ 2.228s]
writing 'modem'...
OKAY [ 0.946s]
finished. total time: 3.175s
$ fastboot erase modemst1
(bootloader) has-slot:modemst1: not found
erasing 'modemst1'...
OKAY [ 0.022s]
finished. total time: 0.022s
$ fastboot erase modemst2
(bootloader) has-slot:modemst2: not found
erasing 'modemst2'...
OKAY [ 0.022s]
finished. total time: 0.022s
$ fastboot flash fsg fsg.mbn
(bootloader) has-slot:fsg: not found
target reported max download size of 536870912 bytes
sending 'fsg' (2104 KB)...
OKAY [ 0.069s]
writing 'fsg'...
OKAY [ 0.068s]
finished. total time: 0.137s
$ fastboot erase cache
(bootloader) has-slot:cache: not found
erasing 'cache'...
OKAY [ 0.014s]
finished. total time: 0.014s
$ fastboot erase userdata
(bootloader) has-slot:userdata: not found
erasing 'userdata'...
OKAY [ 0.023s]
finished. total time: 0.023s
$ fastboot erase customize
(bootloader) has-slot:customize: not found
erasing 'customize'...
OKAY [ 0.015s]
finished. total time: 0.015s
$ fastboot erase clogo
(bootloader) has-slot:clogo: not found
erasing 'clogo'...
OKAY [ 0.017s]
finished. total time: 0.017s
$ fastboot reboot
rebooting...

finished. total time: 0.155s

$ fastboot getvar all
(bootloader) version: 0.5
(bootloader) version-bootloader: moto-msm8952-B1.09
(bootloader) product: athene_16mp
(bootloader) board: athene_16mp
(bootloader) secure: yes
(bootloader) hwrev: P2A
(bootloader) radio: 3
(bootloader) storage-type: emmc
(bootloader) emmc: 16GB SKHYNIX HAG4a2 RV=08 PV=E4 FV=00000000000000E4
(bootloader) ram: 2GB SKHYNIX LP3 DIE=8Gb M5=06 M6=03 M7=00 M8=1F
(bootloader) cpu: MSM8952
(bootloader) serialno: ZY223W8LM7
(bootloader) cid: 0x0032
(bootloader) channelid: 0x40
(bootloader) uid: EC375C0200000000000000000000
(bootloader) securestate: flashing_unlocked
(bootloader) iswarrantyvoid: yes
(bootloader) max-download-size: 536870912
(bootloader) reason: Volume down key pressed
(bootloader) imei: 3541XXXXXXXXXXX
(bootloader) meid:
(bootloader) date: 01-19-2017
(bootloader) sku: XT1642
(bootloader) battid: SNN5970A
(bootloader) iccid:
(bootloader) cust_md5:
(bootloader) max-sparse-size: 268435456
(bootloader) current-time: "Mon May 16 17: 0:13 UTC 2016"
(bootloader) ro.build.fingerprint[0]: motorola/athene_f/athene_f:6.0.1/M
(bootloader) ro.build.fingerprint[1]: PJ24.139-23.4/4:user/release-keys
(bootloader) ro.build.version.full[0]: Blur_Version.24.24.4.athene.retai
(bootloader) ro.build.version.full[1]: l.en.US
(bootloader) ro.build.version.qcom: LA.BR.1.3.3-02720-8976.0
(bootloader) version-baseband[0]: M8952_70004.04.03.32R ATHENE_EMEA_DSDS
(bootloader) version-baseband[1]: _CUST
(bootloader) kernel.version[0]: Linux version 3.10.84-gcf01273 (hudsoncm
(bootloader) kernel.version[1]: @ilclbld30) (gcc version 4.9.x-google 20
(bootloader) kernel.version[2]: 140827 (prerelease) (GCC) ) #1 SMP PREEM
(bootloader) kernel.version[3]: PT Sat May 14 20:58:01 CDT 2016
(bootloader) sbl1.git: git=MBM-NG-VB1.09-0-g6e71967
(bootloader) rpm.git: git=MBM-NG-VB1.06-0-ga970ead
(bootloader) tz.git: git=9af563b-dirty
(bootloader) hyp.git: git=9af563b-dirty
(bootloader) keymaster.git: git=9af563b-dirty
(bootloader) cmnlib.git: git=9af563b-dirty
(bootloader) aboot.git: git=MBM-NG-VB1.09-0-g9a76df4
(bootloader) qe: qe 0/0
(bootloader) frp-state: no protection (0)
(bootloader) ro.carrier: reteu
all: listed above
finished. total time: 0.077s

Seems like i have a more serious fault.