[Moto G4 Plus Guides, News, & Discussion] null_null:
I've just gone through the September fastboot ROM update, everything worked great and gave an okay, until it got to the erase userdata. At which point it said Failed to erase partition.

"C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash partition gpt.b

in

target max-sparse-size: 256MB

sending 'partition' (32 KB)...

OKAY [ 0.006s]

writing 'partition'...

(bootloader) Flashing primary GPT image...

(bootloader) Flashing backup GPT image...

OKAY [ 0.096s]

finished. total time: 0.106s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash bootloader boot

loader.img

target max-sparse-size: 256MB

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 [ 0.512s]

finished. total time: 0.638s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash logo logo.bin

target max-sparse-size: 256MB

sending 'logo' (2186 KB)...

OKAY [ 0.078s]

writing 'logo'...

OKAY [ 0.083s]

finished. total time: 0.165s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash boot boot.img

target max-sparse-size: 256MB

sending 'boot' (16384 KB)...

OKAY [ 0.559s]

writing 'boot'...

OKAY [ 0.571s]

finished. total time: 1.134s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash recovery recove

ry.img

target max-sparse-size: 256MB

sending 'recovery' (16484 KB)...

OKAY [ 0.546s]

writing 'recovery'...

OKAY [ 0.584s]

finished. total time: 1.134s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash dsp adspso.bin

target max-sparse-size: 256MB

sending 'dsp' (16384 KB)...

OKAY [ 0.543s]

writing 'dsp'...

OKAY [ 0.444s]

finished. total time: 0.992s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash oem oem.img

target max-sparse-size: 256MB

sending 'oem' (96490 KB)...

OKAY [ 3.153s]

writing 'oem'...

OKAY [ 8.298s]

finished. total time: 11.455s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.0

target max-sparse-size: 256MB

sending 'system' (261013 KB)...

OKAY [ 8.556s]

writing 'system'...

OKAY [ 9.140s]

finished. total time: 17.701s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.1

target max-sparse-size: 256MB

sending 'system' (250842 KB)...

OKAY [ 8.231s]

writing 'system'...

OKAY [ 8.815s]

finished. total time: 17.049s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.2

target max-sparse-size: 256MB

sending 'system' (254489 KB)...

OKAY [ 8.188s]

writing 'system'...

OKAY [ 10.593s]

finished. total time: 18.786s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.3

target max-sparse-size: 256MB

sending 'system' (247302 KB)...

OKAY [ 8.036s]

writing 'system'...

OKAY [ 9.217s]

finished. total time: 17.256s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.4

target max-sparse-size: 256MB

sending 'system' (260402 KB)...

OKAY [ 8.538s]

writing 'system'...

OKAY [ 8.784s]

finished. total time: 17.327s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.5

target max-sparse-size: 256MB

sending 'system' (262045 KB)...

OKAY [ 8.566s]

writing 'system'...

OKAY [ 8.867s]

finished. total time: 17.436s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.6

target max-sparse-size: 256MB

sending 'system' (261941 KB)...

OKAY [ 8.560s]

writing 'system'...

OKAY [ 13.633s]

finished. total time: 22.197s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash system system.i

mg_sparsechunk.7

target max-sparse-size: 256MB

sending 'system' (82497 KB)...

OKAY [ 2.690s]

writing 'system'...

OKAY [ 2.826s]

finished. total time: 5.520s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash modem NON-HLOS.

bin

target max-sparse-size: 256MB

sending 'modem' (76958 KB)...

OKAY [ 2.508s]

writing 'modem'...

OKAY [ 1.991s]

finished. total time: 4.503s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot erase modemst1

erasing 'modemst1'...

OKAY [ 0.032s]

finished. total time: 0.035s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot erase modemst2

erasing 'modemst2'...

OKAY [ 0.030s]

finished. total time: 0.031s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot flash fsg fsg.mbn

target max-sparse-size: 256MB

sending 'fsg' (2032 KB)...

OKAY [ 0.073s]

writing 'fsg'...

OKAY [ 0.091s]

finished. total time: 0.167s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot erase cache

erasing 'cache'...

OKAY [ 0.020s]

finished. total time: 0.022s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot erase userdata

erasing 'userdata'...

(bootloader) Failed to erase partition

FAILED (remote failure)

finished. total time: 0.106s

C:\Program Files (x86)\mfastboot\NPJS25.93-14-10>mfastboot getvar all

(bootloader) version: 0.5

(bootloader) version-bootloader: moto-msm8952-B1.06

(bootloader) product: athene_16mp

(bootloader) board: athene_16mp

(bootloader) secure: yes

(bootloader) hwrev: P2A

(bootloader) radio: 3

(bootloader) storage-type: emmc

(bootloader) emmc: 16GB SAMSUNG QE13MB RV=08 PV=07 FV=0000000000000007

(bootloader) ram: 2GB SAMSUNG LP3 DIE=8Gb M5=01 M6=05 M7=00 M8=1F

(bootloader) cpu: MSM8952

(bootloader) serialno: ZY2239CHT7

(bootloader) cid: 0x0032

(bootloader) channelid: 0x41

(bootloader) uid: B0A6B20000000000000000000000

(bootloader) securestate: oem_locked

(bootloader) iswarrantyvoid: no

(bootloader) max-download-size: 536870912

(bootloader) reason: UTAG "bootmode" configured as fastboot

(bootloader) imei:

(bootloader) meid:

(bootloader) date: 06-04-2016

(bootloader) sku: XT1642

(bootloader) battid: SNN5966A

(bootloader) iccid:

(bootloader) cust_md5:

(bootloader) max-sparse-size: 268435456

(bootloader) current-time: "Thu Jan 1 0:12:41 UTC 1970"

(bootloader) ro.build.fingerprint[0]: motorola/athene_f/athene_f:7.0/NPJ

(bootloader) ro.build.fingerprint[1]: 25.93-14/16:user/release-keys

(bootloader) ro.build.version.full[0]: Blur_Version.25.11.16.athene.reta

(bootloader) ro.build.version.full[1]: il.en.US

(bootloader) ro.build.version.qcom: LA.BR.1.3.6-01710-8976.0

(bootloader) version-baseband: M8952_70030.25.03.62R ATHENE_EMEA_CUST

(bootloader) kernel.version[0]: Linux version 3.10.84-g478d03a (hudsoncm

(bootloader) kernel.version[1]: [MENTION=387459]ilc[/MENTION]lbld26) (gcc version 4.8 (GCC) ) #1

(bootloader) kernel.version[2]: SMP PREEMPT Fri Jan 6 05:12:56 CST 2017

(bootloader) sbl1.git: sbl1.git

(bootloader) rpm.git: rpm.git

(bootloader) tz.git: tz.git

(bootloader) hyp.git: hyp.git

(bootloader) keymaster.git: keymaster.git

(bootloader) cmnlib.git: cmnlib.git

(bootloader) aboot.git: git=MBM-NG-VB1.06-0-g0edfb0d

(bootloader) qe: qe 0/0

(bootloader) frp-state: no protection (err)

(bootloader) ro.carrier: retgb

all: listed above

finished. total time: 0.215s"

There are all the commands, and then a getvar all at the end which shows it as 25.93-14/16 still and not the updated version.