[Moto G5S Plus Questions & Answers] Iv_Milh:
Hi guys, this is my first post here in XDA, and i'm kinda desperate... a couple of weeks ago my Moto G5s Plus (rooted, but with official Nougat firmware) turned itself off overnight, and ever since won't turn on except on Fastboot mode. Every time I try to Start the device normally, the Bootloader Logs appear with the message "Start up failed; failed to validate boot image". The same thing happens when I try to go into Factory or even Recovery mode (instead of failed to validate boot image, it says, failed to validate recovery image).

When I plug it into my PC, it is recognized but only as Android Bootloader Mode. I've tried different files of official firmware in order to flash them via fastboot, but it's no use... it just says "Preflash validation failed", and so on.

When I enter the command getvar_all, this is what it shows:

C:\Users\IVAN\Sanders\Stock\Third>fastboot getvar all

(bootloader) version: 0.5

(bootloader) version-bootloader: moto-msm8953-C2.06(*)

(bootloader) product: sanders

(bootloader) board: sanders

(bootloader) secure: yes

(bootloader) hwrev: P4

(bootloader) radio: 3

(bootloader) storage-type: emmc

(bootloader) emmc: 32GB SAMSUNG RX1BMB RV=08 PV=07 FV=0000000000000007

(bootloader) ram: 3GB SAMSUNG LP3 DIE=6Gb M5=01 M6=05 M7=00 M8=7B

(bootloader) cpu: MSM8953

(bootloader) serialno: 229d978d

(bootloader) cid: 0xDEAD

(bootloader) channelid: 0x00

(bootloader) uid: 881733DA00000000000000000000

(bootloader) securestate: oem_locked

(bootloader) iswarrantyvoid: n/a

(bootloader) max-download-size: 536870912

(bootloader) reason: Last time flashing failed

(bootloader) imei: 000000000000000

(bootloader) meid:

(bootloader) date: 01-01-1970

(bootloader) sku: 000000000000000

(bootloader) battid:

(bootloader) iccid:

(bootloader) cust_md5:

(bootloader) max-sparse-size: 268435456

(bootloader) current-time:

(bootloader) ro.build.fingerprint:

(bootloader) poweroffalarm: 1

(bootloader) ro.build.version.full:

(bootloader) ro.build.version.qcom:

(bootloader) version-baseband:

(bootloader) kernel.version:

(bootloader) sbl1.git: sbl1.git

(bootloader) rpm.git: rpm.git

(bootloader) tz.git: tz.git

(bootloader) devcfg.git: devcfg.git

(bootloader) keymaster.git: keymaster.git

(bootloader) cmnlib.git: cmnlib.git

(bootloader) cmnlib64.git: cmnlib64.git

(bootloader) prov.git: prov.git

(bootloader) aboot.git: git=MBM-NG-VC2.06-0-g1e22c44

(bootloader) qe:

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

(bootloader) ro.carrier:

all: listed above

Finished. Total time: 0.250s

I've noticed that both the CID and the IMEI are gonners, but as I can't flash anything, there's no way of trying the "Validus" method to restore the IMEI (which I've already done a couple of months ago, after the first root).

I've tried by setting my PC into Test Mode, so as to "skip" the validation of the flash images, but it shows the exact same message. RSD Lite won't even show my device when plugged. I couldn't erase user data, cache or even system partitions, because it says "Permission denied".

These are some of the fastboot commands i've tried to reflash stock (I looked for the latest Oreo firmware, so as to be sure that I wasn't downgrading):

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 system system.img_sparsechunk.5

fastboot flash system system.img_sparsechunk.6

fastboot flash system system.img_sparsechunk.7

fastboot flash system system.img_sparsechunk.8

fastboot flash system system.img_sparsechunk.9

fastboot flash system system.img_sparsechunk.10

fastboot flash oem oem.img

fastboot erase cache

fastboot erase userdata

fastboot erase DDR

fastboot oem fb_mode_clear

fastboot reboot

exit

...always answering "REMOTE failure". I've tried to describe the problem as thoroughly as I could; I hope someone can gimme a hand :good: