[Moto G4 Plus Questions & Answers] Athul56:
i have a similar problem on my xt1643 as it is only booting to the locked bootloader, and tried all the gpt.bin till april 2018 while all the others gave the downgrade error, april 2018 gave the following error.

PS C:\adb> fastboot flash partition gpt.bin

(bootloader) slot-count: not found

(bootloader) slot-suffixes: not found

(bootloader) slot-suffixes: not found

(bootloader) has-slot:partition: not found

target reported max download size of 536870912 bytes

sending 'partition' (32 KB)...

OKAY [ 0.005s]

writing 'partition'...

(bootloader) Flashing primary GPT image...

(bootloader) Flashing backup GPT image...

(bootloader) Failed to write EFI backup GPT header.

(bootloader) Failed to program partition table

FAILED (remote failure)

finished. total time: 0.086s

PS C:\adb>

---------- Post added at 03:03 PM ---------- Previous post was at 03:00 PM ----------

PS C:\adb> fastboot getvar all

(bootloader) slot-count: not found

(bootloader) slot-suffixes: not found

(bootloader) slot-suffixes: not found

(bootloader) version: 0.5

(bootloader) version-bootloader: moto-msm8952-B1.07

(bootloader) product: athene_16mp

(bootloader) board: athene_16mp

(bootloader) secure: yes

(bootloader) hwrev: P2A

(bootloader) radio: 4

(bootloader) storage-type: emmc

(bootloader) emmc: 32GB MICRON Q3J97V RV=08 PV=10 FV=00000000000000A2

(bootloader) ram: 3GB MICRON LP3 DIE=6Gb M5=03 M6=00 M7=00 M8=7B

(bootloader) cpu: MSM8952

(bootloader) serialno: ZY223RFGVV

(bootloader) cid: 0x0032

(bootloader) channelid: 0xc0

(bootloader) uid: DB66230200000000000000000000

(bootloader) securestate: oem_locked

(bootloader) iswarrantyvoid: no

(bootloader) max-download-size: 536870912

(bootloader) reason: Last time flashing failed

(bootloader) imei: *************

(bootloader) meid:

(bootloader) date: 01-07-2017

(bootloader) sku: XT1643

(bootloader) battid: SNN5970A

(bootloader) iccid:

(bootloader) cust_md5:

(bootloader) max-sparse-size: 268435456

(bootloader) current-time: "Tue Aug 2 4:37: 6 UTC 2016"

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

(bootloader) ro.build.fingerprint[1]: S25.93-14-18/3:user/release-keys

(bootloader) ro.build.version.full[0]: Blur_Version.25.236.3.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[0]: M8952_70030.25.03.62.02R ATHENE_INDIA_

(bootloader) version-baseband[1]: DSDS_CUST

(bootloader) kernel.version[0]: Linux version 3.10.84-ge03508d-00131-g44

(bootloader) kernel.version[1]: 2576f (hudsoncm@ilclbld72) (gcc version

(bootloader) kernel.version[2]: 4.8 (GCC) ) #1 SMP PREEMPT Wed Mar 28 06

(bootloader) kernel.version[3]: :58:16 CDT 2018

(bootloader) sbl1.git: git=MBM-NG-VB1.07-0-g57d1343

(bootloader) rpm.git: git=MBM-NG-VB1.06-0-ga970ead

(bootloader) tz.git: git=69dd24b-dirty

(bootloader) hyp.git: git=69dd24b-dirty

(bootloader) keymaster.git: git=69dd24b-dirty

(bootloader) cmnlib.git: git=69dd24b-dirty

(bootloader) aboot.git: git=MBM-NG-VB1.07-0-gf9b89ba

(bootloader) qe: qe 0/0

(bootloader) frp-state: protected (77)

(bootloader) ro.carrier: retin

all: listed above